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Image of glandleaf prairie clover
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Glandleaf Prairie Clover

Dalea lachnostachys A. Gray

Comprehensive Description

provided by North American Flora
Parosela lachnostachys (A. Gray) A. Heller, Cat. N. Am. PI ed. 2. 6. 1900.
Dalea lachnostachys A. Gray, PI. Wright. 1: 46. 1852.
A herbaceous perennial, with a deep root; stem erect, branched, 1-3 dm. high, straw-colored, conspicuously glandular-pustulate and finely villous; leaves spreading, 4-8 cm. long; stipules subulate, 3-5 mm. long; petioles 1-3 cm. long; rachis glandular-pustulate and villous; stipels gland-like; leaflets 9-11, oval or obovate, silkyvillous on both sides, conspicuously glandulardotted along the margins beneath, 8-15 mm. long; peduncles opposite the leaves and terminal, 3-6 cm. long; racemes dense, cylindric, 4-8 cm. long, fully 1.5 cm. thick; bracts ovate, concave, scarious-margined, often tinged with lilac, pubescent, long-acuminate, longer than the buds, deciduous; calyx-tube turbinate, 3 mm. long, silky-pilose, strongly 10-ribbed; lobes twice as long as the tube; corolla purple; blade of the banner broadly oval, cordate at the base, 4 mm. long, the claw 3 mm. long; blades of the wings and keel-petals obliquely oval, with a rounded basal lobe, about 4 mm. long, the claws 3 mm. long; pod very villous.
Type locality: Hills about 80 miles west of Pecos, Texas. Distribution: Western Texas to southern Arizona and Chihuahua.
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bibliographic citation
Per Axel Rydberg. 1919. (ROSALES); FABACEAE; PSORALEAE. North American flora. vol 24(1). New York Botanical Garden, New York, NY
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Physical Description

provided by USDA PLANTS text
Perennial, H erbs, Stems woody below, or from woody crown or caudex, Taproot present, Nodules present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems less than 1 m tall, Plants gland-dotted or with gland-tipped hairs, Stems solid, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules inconspicuous, absent, or caducous, Stipules setiform, subulate or acicular, Stipules deciduous, Stipules free, Leaves compound, Leaves odd pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 10-many, Leaves glandular punctate or gland-dotted, Leaves glabrous or nearly so, Inflorescences spikes or spike-like, Inflorescence terminal, Bracts conspicuously present, Bracteoles present, Calyx 5-lobed, Calyx hairy, Petals separate, Corolla papilionaceous, Petals clawed, Petals blue, lavander to purple, or violet, Banner petal suborbicular, broadly rounded, Wing petals narrow, oblanceolate to oblong, Wing tips obtuse or ro unded, Keel tips obtuse or rounded, not beaked, Stamens 9-10, Stamens monadelphous, united below, Filaments glabrous, Style terete, Fruit a legume, Fruit unilocular, Fruit indehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit enclosed in calyx, Fruit glabrous or glabrate, Fruit hairy, Fruit 1-seeded, Seeds reniform, Seeds cordiform, mit-shaped, notched at one end, Seed surface smooth, Seeds olive, brown, or black.
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compiler
Dr. David Bogler
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Missouri Botanical Garden
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USDA NRCS NPDC
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USDA PLANTS text