Boechera rectissima |
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bristly-leaved rockcress |
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Habit | Plants biennial or short-lived perennial; with or without caudices. |
Stems | 2–8(10) dm, glabrous or rarely lower parts with few simple trichomes. |
Basal leaves | oblanceolate, 3–8(13) mm wide; margins entire or denticulate, ciliate and pubescent with simple trichomes; these often mixed with short-stalked, 2- or 3-rayed trichomes. |
Cauline leaves | 6–30(45), often concealing stem proximally, bases auriculate; uppermost ciliate or sparsely pubescent. |
Inflorescences | 10–30(50)-flowered, fruiting pedicels reflexed, abruptly recurved at bases but otherwise straight, 4–10 mm, glabrous. |
Flowers | sexual, pendent at anthesis; sepals pubescent; petals 3–4 × 0.7–1.2 mm, white; pollen ellipsoid; ovules 46–80 per ovary; styles 0.2–0.8 mm. |
Fruits | strongly reflexed, appressed to rachis, not secund; straight, 5–9 cm × 1.8–2.5 mm; margins parallel, glabrous. |
Seeds | uniseriate, 1.8–2.1 × 1–1.5 mm; wings continuous, 0.2–0.3 mm wide. |
Boechera rectissima |
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Distribution | |
Discussion | Rocky slopes in open conifer forests. Flowering May–Jul. 1300–1700 m. ECas, Sisk. CA, NV. Native. |
Source | Flora of Oregon, volume 2, page 456 Ihsan Al-Shehbaz |
Sibling taxa | |
Synonyms | Arabis rectissima, Arabis rectissima var. rectissima |
Web links |
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