Page author: Hattie Palmer
Boechera polyantha
Specimens
Photos

Origin: Native

Conservation Status: Not of concern

Description:
General:

Short-lived perennials, from a crown not woody and unbranched; stems 25-90 cm tall, pubescence dense near base with short-stalked trichomes, 2-6-rayed, to 0.7 mm, pubescence similar towards ends of stems.

Leaves:

Leaves basal and cauline; basal leaves oblanceolate, 1.5-7 mm broad, margins entire or shallowly toothed, ciliate at petiole base with 0.9 mm trichomes, densely pubescent above and beneath, 5- to10-rayed trichomes on short-stalks and up to 0.9 mm; cauline leaves 16-42, hiding the stem near base, lobe-like appendages at base 0.5-1.5 mm, surfaces pubescent towards ends of stems.

Flowers:

Inflorescence usually 17-96-flowered, typically unbranched racemes; fruiting pedicels bent downward abruptly at base but otherwise not curved, 7-13 mm, pubescent with trichomes appressed and branched, occasionally slightly secund; flowers descending; sepals 4, pubescent; petals 4, white, 6-9 mm long and 1-2.5 mm broad, slightly pubescent beneath; pollen ellipsoid.

Fruits :

Siliques 3.5-7.2 cm long and 1.2-1.5 mm broad, strongly curving downward, appressed to rachis, not curved, edges parallel; valves densely pubescent; seeds in 1 series, 0.9-1.2 mm long and 0.7-1 mm broad, with a continuous wing to 0.1 mm broad.

Accepted Name:
Boechera polyantha (Greene) Windham & Al-Shehbaz
Publication: Harvard Pap. Bot. 11: 78. 2006.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Boechera polyantha in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Boechera polyantha checklist entry.

E-Flora BC: Boechera polyantha atlas page.

CalPhotos: Boechera polyantha photos.

USDA Plants: Boechera polyantha information.

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