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花园 (6)
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Dummer. ゛☀
2017年07月29日
Dummer. ゛☀
Family - Fabaceae Stems - Sprawling to clambering or climbing(by means of tendrils on leaves), glabrous to sparse pubescent, carinate to angled, herbaceous, from taproot.
Leaves - Alternate, stipulate, even-pinnate, terminating with branched tendrils. Stipules 1cm long, 2mm broad, often with a small lateral lobe, ciliate margined, appressed pubescent. Leaflets in +/-8 pairs, subopposite, oblong to elliptic-oblong, entire, mucronate, to 2.5cm long, 6mm broad, with sparse antrorse appressed pubescence. Petiolules to 1mm long, sparse pilose.
Inflorescence - Axillary pedunculate racemes to +/-10cm long. Peduncle glabrous to sparse pubescent. Pedicels 1mm long, attached to lower portion of calyx tube. Flowers nodding and secund. Flowers - Corolla glabrous, 1.5-2cm long, papilionaceous, typically purplish or rarely white. Keel and wing petals often lighter than standard. Stamens 10. diadelphous, glabrous. Ovary glabrous, compressed, 5mm long, green. Style pubescent, 1.5-2mm long. Calyx weakly bilabiate, purplish. Tube 3mm long, glabrous to sparse appressed pubescent. Upper lip 2-lobed. Lobes acute, 1.1mm long. Lower lip 3-lobed. Lobes linear. Central lobe to 3mm long. Fruit compressed, glabrous, +/-3.5cm long, 1cm broad.
Flowering - May - October. Habitat - Open ground, prairies, roadsides, railroads. Origin - Native to Europe. Other info. - This species is very weedy in Missouri. It strongly resembles another weed, V. villosa Roth, but the latter has very villous stems and leaves, and flowers which are more of a bluish color. Some authors don't distinguish between these two species, lumping them both under V. villosa.
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Dummer. ゛☀
2017年07月29日
Dummer. ゛☀
Family - Commelinaceae Stems - Single or multiple from the base, from thickened roots, to 30cm tall, erect, herbaceous, glabrous basally, puberulent at the apex, slightly zig-zag. Hairs of the stem with thickened pustulate bases, multicellular (of 2-3 cells). Leaves - Alternate, sessile, sheathing at the base, with the blades narrower than their flattened and unfolded sheaths. Sheaths glabrous, with long pilose hairs on the margins. Leaf blades linear, grass-like, sparsely hairy, with long cilia on the margins basally, to +30cm long, to +/-1.5cm broad, entire, green above, silvery-green below with parallel venation.
Inflorescence - Terminal umbel of 2-many flowers. Flowers subtended by 1-2 foliaceous bracts. Bracts sessile, pubescent, broader and shorter than the leaves. Flowers opening a few at a time. Pedicels pinkish-green, +/-2.5cm long, densely spreading pubescent with short and long multicellular hairs.
Flowers - Petals 3, purple to pinkish-red, broadly ovate, to 2cm long and broad, glabrous, spreading. Stamens 6, erect. Filaments +/-6mm long, purple, glabrous in the apical 1/2, densely pubescent with long, purple, multicellular hairs in the basal 1/2. Anthers yellow, 2-lobed, +2.5mm broad. Ovary light green, glabrous, 2mm long, +/-1.3mm broad. Style +3mm long, glabrous, purplish. Sepals 3, to 1.5cm long, +/-7mm broad, elliptic, entire, slightly inflated, acute, densely pubescent externally, glabrous internally, distinct.
Flowering - April - June. Habitat - Mesic to dry upland forests, shaded ledges of bluffs, open rocky woods, glade edges, railroads. Origin - Native to U.S. Other info. - This striking species can be found mainly in the eastern half of Missouri in counties that border the Missouri and Mississippi rivers. The plant can be identified by its small size, pubescent sepals, and narrow leaves. This species seems to prefer acidic soils but would do well in cultivation and makes an attractive garden specimen.
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Dummer. ゛☀
2017年07月29日
Dummer. ゛☀
Family - Commelinaceae Stems - To 1m tall, glabrous or with sparse pubescence at base, herbaceous, erect, typically simple or branching above, with slight to obvious "zig-zag" appearance, from fibrous to slightly thickened roots. Leaves - Alternate, sheathing at base, linear-lanceolate, entire, ciliate margined, pubescent below, glabrous above, to +20cm long, +/-5cm broad. Blade much broader than sheaths.
Inflorescence - Terminal and axillary sessile bracteate clusters of +/-15 flowers. Pedicels +/-2cm long in flower, glandular pilose at apex, recurving in fruit.
Flowers - Petals 3, blue-purple to pale blue, , to 1.5cm long, 1cm broad, glabrous, ovate. Stamens 6, erect. Filaments to 8mm long, purple, with dense purple multicellular pilose pubescence. Anthers yellow, 2mm broad. Ovary superior, white, globose, 1.5mm in diameter, with multicellular pubescence at apex. Style to 4mm long, purple, glabrous. Sepals 3, ovate-lanceolate, 8mm long, 3-4mm broad, cupped, glandular pubescent, spreading, acute, with scarious margins.
Flowering - June - September. Habitat - Low woods, ravines, streambanks, bluffs. Origin - Native to U.S. Other info. - This is another species of the familiar genus Tradescantia, commonly called Spiderworts. This is not, however, the most common species found throughout most of the state. That designation belongs to T. ohiensis, which differs from the above species by having longer thinner leaves, typically straight stems, and sepals and pedicels which are glabrous. You can find this species in this same section on this website. T. subaspera is found mainly in the eastern half of the state and grows in shaded areas of the habitats mentioned above. Our plants belong to variety subaspera. Another variety, var. montana (Shuttlew.) Anders. & Woods., grows in the eastern U.S.. The latter variety has typically straight stems and axillary inflorescences which are on peduncles.
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Dummer. ゛☀
2017年07月29日
Dummer. ゛☀
Family - Commelinaceae Stems - To 1.5m tall, herbaceous, erect, glabrous, typically glaucous. Leaves - Alternate, grasslike, glabrous, glaucous, to 30cm long, clasping stem.
Inflorescence- Terminal, umbellate cymes with +/- 20 flowers, one or two flowers opening at a time, subtended by foliaceous bracts. Flowers - Corolla blue-purple, to 4cm broad. Petals 3. Stamens 6, filaments pilose with purple pubescence. The hairs of the stamens multicellular. Calyx glabrous or with some hairs at tip of sepals. Pedicels to +2.5cm long.
Flowering - May - July. Habitat - Prairies, disturbed sites, waste ground, open woods, roadsides, railroads.
Origin - Native to U.S. Other info. - This species is commonly mistaken for a grassy weed by beginners who are delighted to see it bloom. It is the most common species of the genus in Missouri. The stems are moderately succulent.
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Dummer. ゛☀
2017年07月29日
Dummer. ゛☀
Family - Commelinaceae Stems - To +30cm long(tall), herbaceous, with thickened fleshy roots, erect, simple, glabrous or very sparsely pubescent. Leaves - Dense on the stem, alternate, glabrous, to 25cm long, 4cm broad, entire, with undulate margins, attenuate, sheathing at the base, with parallel venation. Sheaths to +/-2cm broad.
Inflorescence - Terminal fascicle of +/-15 flowers blooming 1-3 at a time. Pedicels to 3.5cm long, glabrous or with a few pilose hairs near apex, erect in flower, nodding in fruit.
Flowers - Petals pinkish-purple to blue, glabrous, +/-1.5cm long and broad, ovate, with slightly crisped margins. Stamens 6, erect. Filaments with purple multicellular pubescence. Anthers yellow, 2-lobed, 2.1mm broad, 1.4mm long. Ovary 3-locular, white, glabrous, 3-angled. Placentation axile. Style purple, glabrous, 6-7mm long. Sepals 3, lance-ovate, green, cupped, ciliate, to 1.4cm long, 6-7mm broad.
Flowering - April - May. Habitat - Mesic upland woods, streambanks, ravines, shaded bluffs. Origin - Native to U.S. Other info. - This striking species is found in a handful of southern Ozark counties. The plant is smaller than most others in the genus but has good-sized flowers. T. ernestiana has a short flowering season but would still make a good shade garden specimen if adequate moisture could be provided.
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Dummer. ゛☀
2017年07月29日
Dummer. ゛☀
Family - Asteraceae Stems - From a short rhizome, erect, herbaceous, to +60cm tall, typically densely puberulent (more so above), terete, 2-4mm in diameter, branching near the apex (in the inflorescence), green.
Leaves - Alternate, petiolate. Petioles of the early-season basal rosette to +6cm long, pubescent abaxially, scabrous adaxially, the narrow wings forming an adaxial groove. Petioles of the upper leaves reduced in length but with much more broad wings. Blades cordate, ovate, serrate, to +6cm long, +3.5cm broad, green above, lighter below, scabrous above, soft pubescent below. Veins expressed below.
Inflorescence - Open, paniculate inflorescence at the apex of the plant. Leaves reduced to small bracts in the inflorescence. Branches densely puberulent. Heads on minutely branched peduncles to +/-1cm long. Bracts of the peduncles subulate, pubescent, +/-3mm long, 1mm broad, acute. Involucre - +/-5mm long (tall), +/-2mm broad (in diameter). Phyllaries imbricate, glabrous, 2-3.5mm long, -1mm broad, acute, whitish-translucent below, with elongate diamond-shaped green tips. Margins sometimes ciliate at the tips and sometimes with a minute red apex. Ray flowers - +/-12 per head, fertile, pistillate. Ligules blue to white, +/-6mm long, to 1.5mm broad, glabrous. Corolla tube 2mm long, glabrous, whitish. Style partially to fully exserted about 1mm beyond corolla, bifurcate. Stigmas yellow, .5-.8mm long, erect to spreading, glabrous. Pappus white, of capillary bristles, to +/-3mm long. Achenes (in flower) glabrous, 2mm long, oblong. Disk flowers - Disk 2-3mm broad, with +/-10 flowers. Corolla tube +/-3.5mm long, glabrous, whitish to pale yellow when fresh, contracted in the basal 1/2, expanded in the apical 1/2, 5-lobed. Lobes erect, acute, .5-.8mm long, .5mm broad at the base, glabrous. Stamens 5, adnate at the base of the expanded portion of the corolla tube. Filaments translucent, 1mm long, glabrous. Anthers yellow, connate around the style, 1-1.5mm long, partially to fully exserted. Style barely exserted beyond the anthers, bifurcate, translucent, glabrous. Stigmas +/-1mm long, erect, whitish. Pappus white, of capillary bristles, to +/-3mm long. Receptacle flat, without chaff. Matyre achenes not seen. Disk flowers quickly becoming purplish with age.
Flowering - August - October. Habitat - Rocky or dry open woods, thickets, rocky prairies. Origin - Native to U.S. Other info. - This attractive species can be found throughout most of Missouri but is apparently uncommon to absent in many counties from the central Ozark region. The plant is similar to other blue-flowered asters but can be identified by its pubescent stems, winged leaf petioles, scabrous adaxial leaf surfaces, and bluish ray flowers. The phyllaries of the involucre have green apices which are an elongate diamond shape.
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Dummer. ゛☀
2017年07月29日
Dummer. ゛☀
Family - Campanulaceae Stems - To .75m tall(typically less), simple, 5-angled, herbaceous, erect, with milky sap. Angles slightly winged(the wings to .5mm broad), typically hispid.
Leaves - Alternate, clasping and surrounding the stem(perfoliate), coarsely serrate to crenate, to 2cm long, reduced above, broadly ovate, glabrous above, typically scabrous(strigose) below. Margins stigillose.
Upper flowers - Chasmogamous, fertile. Corolla purple, (rarely white), 5-lobed, +1.5cm broad. Lobes to 9mm long, with few stiff hairs on midvein below, otherwise glabrous. Stamens 5. Filaments flattened and expanded at base and divided above. Anthers yellow, 2mm long. Style 1, 7mm long, clavate, purple at apex, pubescent. Stigma 3-lobed. Ovary inferior. Fruit many seeded. Calyx 5-lobed. Tube to +/-4mm long. Lobes attenuate, 6-7mm long, 2mm broad at base, glabrous with stigillose margins.
Lower flowers - Cleistogamous, fertile. Calyx tube to 5mm long. Calyx lobes to 3mm long. Flowering - April - August. Habitat - Waste places, disturbed sites, pastures, prairies, roadsides, railroads. Origin - Native to U.S. Other info. - This species is common and unmistakable because of the perfoliate leaves. The lower (cleistogamous) flowers are fertile but produce very little viable seed. The upper(chasmogamous) flowers produce much more viable seed. The typical form of the plant is form perfoliata, having the blue flowers. Steyermark also lists a white flowered form, form alba (Voigt) Steyermark. A more frequent synonym for the species is Triodanis perfoliata (L.) Nieuw.
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Dummer. ゛☀
2017年07月29日
Dummer. ゛☀
Family - Campanulaceae Stems - To 70cm, herbaceous, simple, from taproot, angular, strigose on angles, to 3mm thick, erect, with milky sap. Leaves - Alternate, linear to (ob)lanceolate, sessile to short-petiolate, entire to crenate, to 25mm long, 5mm broad, strigose below, typically glabrous above.
Inflorescence - Axillary clusters of typically 2-3 chasmogamous flowers but sometimes single, lower flowers cleistogamous. Upper flowers - Chasmogamous. Corolla blue-purple, 5-lobed, -2cm broad, glabrous. Lobes to 8mm long, 3-4mm broad, lance-ovate. Tube to 1.5cm long. Stamens 5, adnate at base of corolla tube, alternating with lobes. Filaments purple, 1.5mm long. Anthers yellow, filiform, 2-3mm long, connate around style and stigma, curling when mature and dehiscing. Style 1, 7mm long, glabrous, white below, purple above. Stigma 2-lobed. Ovary inferior. Calyx tube to 1.5cm long, 1.8mm in diameter, 5-lobed, scabrous. Lobes spreading to recurved, linear, to 8mm long, strigose. Fruit many seeded.
Lower flowers - Cleistogamous. Calyx tube to 1.5cm long, lobes to 6mm long, spreading or slightly recurving. Flowering - May - June. Habitat - Disturbed sites, waste ground, pastures, prairies, roadsides, railroads. Origin - Native to U.S. Other info. - The typical leaf morphology is linear. This species is common in drier areas of the habitats mentioned above. The fruits are dimorphic with the cleistogamous flowers producing a slightly larger capsule.
The more commonly accepted name is Triodanis leptocarpa (Nutt.) Nieuw.
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Dummer. ゛☀
2017年07月29日
Dummer. ゛☀
Family - Campanulaceae Stems - From a taproot, multiple from the base, simple, glabrous, green, to +60cm tall, +/-2mm in diameter, erect to ascending, with whitish sap, winged from decurrent leaf tissue. Wings to .2mm broad, with spreading to retrose minute prickles (use a lens to see).
Leaves - Alternate, sessile. Lowest 2-4 leaves spatulate, all other leaves ovate to lanceolate, acute, shallow crenate-serrate (the teeth with white tips), glabrous adaxially, mostly glabrous abaxially but with minute straight prickles on the veins. Lowest leaves to 2cm long, +/-1cm broad. Cauline leaves gradually reduced upward. those in the middle of the stem +/-1.5cm long, +/-1cm broad, nearly always somewhat folded (conduplicate).
Inflorescence - Cleistogamous flower in every leaf axil, single, paired, or in 3's, sessile, each usually subtended by a minute subulate bract. Chasmogamous flowers produced in the most apical 1-3 leaf axils only, sessile, with a larger hypanthium than the cleistogamous flowers. Flowers - Corolla purple, 5-lobed, to +/-1.5cm broad. Lobes glabrous, 6-8mm long, 2-4mm broad. Corolla tube 1-1.5mm long. Stamens 5, alternating with the corolla lobes. Filaments translucent, expanded at the base, ciliate on the margins basally, to +1mm broad at the base, thin and twisted in the apical 2/3, to 2mm long. Anthers yellow, to +2mm long, .4mm broad, linear. Style 1, +/-5mm long, whitish basally, purple apically, with a few small hairs apically. Stigmas 3, spreading, +/-1mm long. Ovary many-ovuled, 3-locular, placentation axile. Hypanthium (of chasmogamous flowers) green, to 1cm long, 2-3mm in diameter, glabrous. Sepals 5, subulate to lanceolate, acuminate, 5-7mm long, +/-2mm broad, spreading, glabrous, with a single midrib below. Sepals on cleistogamous flowers smaller than those of the chasmogamous flowers and usually unequal. Hypanthium of the cleistogamous flowers with a few minute prickles. Seeds brown, shiny, .5-.6mm long, ellisoid to orbicular, falling from two pores. Pores located just beneath the sepals.
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Dummer. ゛☀
2017年07月29日
Dummer. ゛☀
Family - Solanaceae Stems - To -2m tall, from taproot or rhizomatous, erect, herbaceous to somewhat woody below, branches divergent, purple above, greenish below, erect to clambering, glabrous to antrorse strigose above. Leaves - Alternate, petiolate. Petiole to +/-1.5cm long, winged(wing -1mm broad), sparse antrorse strigose. Blade to 8cm long, 5cm broad, typically 3-lobed in upper portion of plant, cordate to ovate in lower portion of plant, sparse pubescent to glabrous. Lateral lobes small much smaller than larger central lobe, entire. Central lobe acute to acuminate, entire.
Inflorescence - Axillary and terminal cymes or panicles, loose, to +/-8cm long, arising opposite leaf at node. Branches of inflorescence purple, antrorse strigose. Pedicels to 7mm long, purple.
Flowers - Corolla 4-5 lobed, purple with pale yellow to greenish spots at base internally. Corolla tube short, to -1mm long. Lobes recurved at maturity, to 9mm long, 3.5mm broad, with puberulent margins and slightly uncinate at apex. Stamens 5. Anthers yellow, connate around style, dehiscing from apex, 5mm long. Style 1, exserted just beyond anthers, light green, glabrous, 7mm long. Ovary superior, green, glabrous, ovoid, 1.5mm long. Calyx tube purple, -2mm long, 5-lobed, sparse antrorse strigose, campanulate. Lobes shallow, acute to subacute, .6mm long, accrescent. Berries subglobose, red, to -1cm long, glabrous.
Flowering - May - November. Habitat - Low woods, thickets, roadsides, fence rows, pond margins. Origin - Native to Eurasia. Other info. - Although this is a pretty plant to look at, it's not worth planting because it's introduced and very toxic. All parts of the plant are toxic. The berries resemble small bright tomatoes but are not to be eaten. This species is scattered throughout the state but is relatively uncommon.
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