Home Brassicaceae
About
Name Search
Genera
Species List
Boechera evadens Windham & Al-Shehbaz Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Harvard Papers in Botany 11(1): 66–67. 2006. (Harvard Pap. Bot.) Name publication detail
 

Project Name Data (Last Modified On 7/21/2009)
 

Export To PDF Export To Word

26. Boechera evadens Windham & Al-Shehbaz, Harvard Pap. Bot. 11: 66. 2006. TYPE: United States, California, Tulare Co., occasional to common on a small rocky metamorphic outcrop adjacent to the Sherman Pass, Blackrock Forest Service road approx. 1 mile west of Bald Mtn., 8480 ft, 4 Jul 1977, J. R. Shevock 5602 (holotype, CAS!).

     Plants long-lived, cespitose perennials, with woody caudices, lacking crowded, persistent leaf bases; sexual, with ellipsoid pollen. Stems usually 1 per caudex branch, arising near ground surface from center of basal rosettes, 1–2.5 dm, lower parts with abundant, short-stalked, 2–5-rayed trichomes 0.2–0.6 mm and a few simple trichomes to 1 mm, upper parts glabrous. Leaves at stem bases narrowly oblanceolate, 1.5–3.0 mm wide, entire, ciliate along petioles with simple trichomes to 1 mm, blade surfaces densely pubescent with short-stalked, 4–8-rayed trichomes 0.1–0.2 mm; cauline leaves 3–5, not concealing stem, the uppermost pubescent, with auricles 0.5–1 mm. Inflorescences unbranched, 10–22-flowered; fruiting pedicels 4–8 mm, divaricate-ascending, straight, with few appressed, branched trichomes. Flowers ascending at anthesis; sepals pubescent; petals white, 3–4 ´ 0.5–0.8 mm, glabrous; ovules 46–52 per fruit. Fruits 3–4 cm ´ 1.2–1.5 mm, divaricate-ascending, not appressed to rachises, not secund, straight, with parallel edges, glabrous; style ca. 0.1 mm. Seeds uniseriate, 1.0–1.1 ´ 0.9–1.0 mm; wing continuous, ca. 0.1 mm wide.

Flowering: Jun.

Habitat: rock outcrops.

Elevation: ca. 2600 m.

Distribution: United States (California/Tulare County).

Notes: known only from the holotype specimen.

Reproductive mode: sexual diploid.

 

 
 
© 2014 Missouri Botanical Garden - 4344 Shaw Boulevard - Saint Louis, Missouri 63110