Dummer. ゛☀第349页 - 绿手指 - 养花技巧、花生病了怎么办、花园打理和设计

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2017年07月11日

Dummer. ゛☀

Family - Scrophulariaceae Stems - No info. yet.

Leaves - No info. yet.

Inflorescence - No info. yet. Flowers - No info. yet. Flowering - April - October. Habitat - Ponds, sloughs, ditches. Origin - Native to U.S. Other info. - This small aquatic species can be found in the eastern and southern portions of Missouri. It can be identified by its habitat, opposite leaves, short to absent pedicels, and globose fruits.

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2017年07月11日

Dummer. ゛☀

Family - Scrophulariaceae Stems - No info yet.

Leaves - No info yet. Inflorescence - No info yet. Flowers - No info yet.

Flowering - May - October. Habitat - Muddy borders of ponds and lakes, in wet soils of a variety of habitats. Origin - Native to U.S. Other info. - This little plant can be found throughout much of Missouri but is absent from much of the prairie region of the state and also in the northwest corner of the state. The plant can be identified by its viscid pubescent stems, small whitish flowers, thin leaves, and habitat. The long, thin pedicels of the flower are also a good characteristic for identification.

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2017年07月11日

Dummer. ゛☀

Family - Asteraceae Stems - No info. yet.

Leaves - No info. yet. Inflorescence - No info. yet. Involucre - No info. yet.

Ray flowers - No info. yet. Disk flowers - No info. yet. Flowering - May - November. Habitat - Waste ground, cultivated areas, roadsides. Origin - Native to Central and South America. Other info. - This weedy little species can be found scattered throughout Missouri. The plant can be identified by its small flowers, opposite leaves, and hairy stems. It commonly shows up in flower beds and in cultivated fields. This species is edible.

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2017年07月11日

Dummer. ゛☀

Family - Rubiaceae Stems - No info. yet. Leaves - No info. yet. Inflorescence - No info. yet. Flowers - No info. yet.

Flowering - May - September. Habitat - Rich soils, moist woods, low open ground, along streams and spring branches, moist ledges, wet meadows, base of bluffs. Origin - Native to U.S. Other info. - This species can be found throughout Missouri. The plant can be identified by its whorl of 6 oblong-elliptic leaves per node, its small white flowers, and its sweet scent when crushed. G. triflorum can form large mats when left undisturbed. The plant can be boiled and made into an aromatic tea. It can also be used to flavor wine.

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2017年07月11日

Dummer. ゛☀

Family - Rubiaceae Stems - No info. yet. Leaves - No info. yet. Inflorescence - No info. yet.

Flowers - No info. yet.

Flowering - May - September. Habitat - Swampy ground, wet woods, ditches. Origin - Native to U.S. Other info. - This species can be found in the eastern half of Missouri and mostly in the Ozark region. The plant can be identified in the field by its small white flowers (which normally have 3 lobes) its glabrous fruits, and its whorls of 4-6 thin leaves. G. tinctorium grows in wet habitats, which is also helpful for identification.

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2017年07月11日

Dummer. ゛☀

Family - Rubiaceae Stems - Vegetative stems repent, to +50cm long. Flowering stems erect, to 30cm tall, 4-angled, herbaceous, glabrous or with some pubescence at nodes, stoloniferous. Nodes of flowering stem fairly evenly spaced at about 3.5cm apart. Leaves - In whorls of typically 8-10. Leaves glabrous above, antrorse strigillose on margins and below, oblong-linear, sessile, mucronate, to 3cm long, 8-9mm broad.

Inflorescence - Terminal loose umbellate cymes. Peduncles to +6cm long. Flowers - Corolla white, 4-lobed, glabrous externally. Corolla tube to 2mm long, glandular pubescent at apex of throat internally. Lobes 3-4mm long. Stamens 4, alternating with corolla lobes, slightly exserted, adnate at apex of corolla tube. Filaments .5mm long. Anthers .3mm long, brownish. Ovary 2-carpellate, inferior, densely uncinate pubescent, subglobose. Styles 2, translucent, 1mm long. Stigmas globose.

Flowering - April - May. Habitat - Cultivated. Origin - Native to Europe. Other info. - This species of Galium is very easy to distinguish from our native species because it has distinctive whorls of 8-10 leaves per node and showy terminal inflorescences. This species is fast growing and could easily become established if it escapes cultivation. The plant contains coumarins and gives off a distinctive "hay" scent when cut, hence the species name.

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2017年07月11日

Dummer. ゛☀

Family - Rubiaceae Stems - Multiple from the base, branching, herbaceous, 4-angled, to +/-40cm long, ascending to erect or reclining, glabrous to sparse retrorse strigose, with bumps and the angles, from a small crown and fibrous roots.

Leaves - Whorled, 4 at a node, sessile, linear-lanceolate, to +/-4cm long, +5mm broad, with three main nerves, entire, with ciliate margins, glabrous above, sparsely pubescent below, green above, light green below. Veins of leaf impressed above, expressed below.

Inflorescence - Terminal cymes to +10cm long and broad. Each division of the cyme subtended by a pair of elliptic bracts. Bracts reduced upward, with retrorse hairs at the base. Pedicels and peduncles of cyme glabrous, 4-angled, often with hairs in their axils. Pedicels to 4mm long. Flowers - Corolla white, 4-lobed, +/-3mm broad. Corolla tube conic, -1mm long. Lobes acute, glabrous, +1mm long and broad, ovate-oblong, entire. Stamens 4, alternating with the corolla lobes, adnate at the apex of the corolla tube, erect, exserted. Filaments to .7mm long, white, glabrous. Anthers yellow-brown, .2-.3mm long. Style 1, glabrous, white, slightly exserted, bifurcate in the apical 1/2, +1mm long. Stigmas capitate, translucent, .1-.2mm broad. Ovary inferior, light green, with antrorse hairs, bilobed, .7mm long in flower, .8mm broad. Flowering - May - July. Habitat - North-facing ledges and crevices of limestone bluffs. Origin - Native to U.S. Other info. - This species is extremely rare in Missouri and can only be found in two counties in the state. The plant is a relic from before the retreat of the Pleistocene ice sheets. It has remained only in the cool, north-facing bluffs along the Jack's Fork River. In Missouri G. borealis doesn't take the erect form that it is capable of. Plants in this state hang from the rock crevices from which they grow and look like this.

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2017年07月11日

Dummer. ゛☀

Family - Rubiaceae Stems - No info. yet. Leaves - No info. yet. Inflorescence - No info. yet. Flowers - No info. yet.

Flowering - May - July. Habitat - Rich or rocky wooded slopes, bluffs, thickets. Origin - Native to U.S. Other info. - This species can be found throughout Missouri. The plant is fairly easy to identify because of its four ovate-lanceolate leaves, small white flowers, and bristled fruits. The plant is very common in the habitats mentioned above. Another species, G. pilosum Ait., is similar but has elliptic leaves and reddish-purple flowers.

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2017年07月11日

Dummer. ゛☀

Family - Rubiaceae Stems - Reclining to ascending, to +/-1.5m long, 4-angled, with retrorse prickles on margins of angles, hollow, multiple from base, branching, herbaceous.

Leaves - In whorls of typically 8, sessile, linear-oblanceolate, mucronate to cuspidate, scabrous, to +7cm long, -1cm broad, with retrorse strigillose to retrorse prickle margins, midrib with prickles below.

Inflorescence - Axillary 2 to 5-flowered pedunculate cymes. Pedicels elongating in fruit, glabrous to scabrous. Flowers - Corolla white, 4-lobed, tiny, to 3mm broad. Corolla tube to .5mm long. Lobes acute, 1.2mm long and broad, glabrous. Stamens 4, included, alternating with lobes. Styles 2, included, pale yellow. Stigmas capitate, pale-yellow. Ovary 2-carpellate. Calyx globose, hispid, 2mm in diameter. Fruit biglobose, uncinate-hispid, to +/-5mm in diameter, each carpel one seeded. Flowering - May - July. Habitat - Thickets, valleys, waste ground, disturbed sites, roadsides, railroads. Origin - Native to U.S. and Eurasia. Other info. - Just about everyone has encountered this plant at one time or another. The hooked spines of the fruit hold onto just about anything and are tough to remove. Apparently the fruits are good for something though. If dried and roasted they make a good drink, much like coffee. I haven't tried it yet. The plant itself isn't attractive as the branches grow in a tangled mass low to the ground. The plant is common throughout Missouri.

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2017年07月11日

Dummer. ゛☀

Family - Rubiaceae Stems - Reclining to ascending, to +/-1.5m long, 4-angled, with retrorse prickles on margins of angles, hollow, multiple from base, branching, herbaceous.

Leaves - In whorls of typically 8, sessile, linear-oblanceolate, mucronate to cuspidate, scabrous, to +7cm long, -1cm broad, with retrorse strigillose to retrorse prickle margins, midrib with prickles below.

Inflorescence - Axillary 2 to 5-flowered pedunculate cymes. Pedicels elongating in fruit, glabrous to scabrous. Flowers - Corolla white, 4-lobed, tiny, to 3mm broad. Corolla tube to .5mm long. Lobes acute, 1.2mm long and broad, glabrous. Stamens 4, included, alternating with lobes. Styles 2, included, pale yellow. Stigmas capitate, pale-yellow. Ovary 2-carpellate. Calyx globose, hispid, 2mm in diameter. Fruit biglobose, uncinate-hispid, to +/-5mm in diameter, each carpel one seeded. Flowering - May - July. Habitat - Thickets, valleys, waste ground, disturbed sites, roadsides, railroads. Origin - Native to U.S. and Eurasia. Other info. - Just about everyone has encountered this plant at one time or another. The hooked spines of the fruit hold onto just about anything and are tough to remove. Apparently the fruits are good for something though. If dried and roasted they make a good drink, much like coffee. I haven't tried it yet. The plant itself isn't attractive as the branches grow in a tangled mass low to the ground. The plant is common throughout Missouri.

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