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Hesperidanthus linearifolius
Hesperidanthus linearifolius
(A. Gray) Rydb.
Family:
Brassicaceae
slimleaf plainsmustard,
more...
slimleaf plains mustard
[
Schoenocrambe linearifolia
(A. Gray) Rollins]
Liz Makings
Flora of North America
Resources
Ihsan A. Al-Shehbaz in Flora of North America (vol. 7)
Perennials. Stems
simple or few from caudex, erect, (often much-branched distally), (2.5-)3.5-10(-15) dm.
Leaves
shortly petiolate; blade usually linear to linear-lanceolate, rarely lanceolate, (2.5-)3.5-12(-15) cm × (1-)2-6(-10) mm (smaller distally), base cuneate to attenuate (or petiolelike), margins entire or, very rarely, sparsely denticulate, apex acuminate to acute.
Racemes
several-flowered, (proximalmost flowers sometimes bracteate).
Fruiting pedicels
divaricate or ascending, straight, (5-)8-20(-25) mm.
Flowers:
sepals purplish, (4-)4.5-7 × 1-2 mm, (median pair apical cuculla to 0.7 mm); petals purple, (10-)12-16(-18) × (2-)3.5-5.5 mm, claw distinctly differentiated from blade, [5-7(-9) mm]; filaments 2-4 mm; anthers narrowly oblong to linear, 2-4 mm; gynophore 0.4-1(-2) mm.
Fruits
usually straight, rarely curved, terete, (3.5-)4-9(-11) cm × 1-1.5 mm; ovules (76-)80-110 per ovary; style subclavate to cylindrical, 0.5-1.8(-2.5) mm; stigma conical, 2-lobed (lobes prominent, connivent).
Seeds
0.9-1.6 × 0.5-0.9 mm.
2
n
= 22, 44. Flowering Jul-Nov. Open woods, dry hillsides, oak woodland, mixed conifer forests, arroyos, canyons, rocky ridges, limestone ledges, sandstone crevices, roadsides; 700-3100 m; Ariz., Colo., N.Mex., Tex.; Mexico (Chihuahua, Coahuila, Durango, Nuevo León, San Luis Potosí, Sonora, Zacatecas).
Open Interactive Map
Max Licher
Frank Rose
Max Licher
Max Licher
Liz Makings
Patrick Alexander
Patrick Alexander
Patrick Alexander
Patrick Alexander
Kirstin Olmon
Dustin Wolkis
Liz Makings
Kirstin Olmon
Liz Makings
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