Log In
New Account
Sitemap
Home
Search
Search Collections
Map Search
Images
Image Browser
Search Images
Digitization
Interactive Tools
Dynamic Checklist
Dynamic Key
Other SEINet Portals
Arizona - New Mexico Chapter
Consortium of Midwest Herbaria
Intermountain Region Herbaria Network (IRHN)
Mid-Atlantic Herbaria
North American Network of Small Herbaria
Northern Great Plains Herbaria
Madrean Archipelago Biodiversity Assessment (MABA) - Flora
Red de Herbarios del Noroeste de México (northern Mexico)
SERNEC - Southeastern USA
Streptanthus longisiliquus
Family:
Brassicaceae
Pinewoods Jewelflower
FNA
Resources
Ihsan A. Al-Shehbaz in Flora of North America (vol. 7)
Perennials;
(short-lived, caudex simple or few-branched); (glaucous), usually glabrous throughout, (except sepals pubescent, sometimes also petioles).
Stems
branched, 2.2-12(-15) dm.
Basal leaves
rosulate (in juvenile plants); petiolate (petioles usually glabrous, rarely ciliate); blade obovate to spatulate, 3.5-10 cm, margins entire.
Cauline leaves:
blade broadly oblong to ovate or suborbicular, 2.5-10 cm × 10-35 mm, (smaller distally), base amplexicaul, margins entire.
Racemes
ebracteate, (lax).
Fruiting pedicels
divaricate-ascending, (straight), 5-10 mm.
Flowers:
calyx subcampanulate; sepals yellow-greenish proximally, purple distally, oblong, 6-8 mm, not keeled, (with subapical tuft of hairs); petals purple or brownish (claw yellow-green), 8-12 mm, blade 1-3 × 0.5-0.8 mm, margins not crisped, claw 6-10 mm, wider than blade; stamens in 3 unequal pairs; filaments (distinct): abaxial pair 6-8 mm, lateral pair 4-6 mm, adaxial pair 7-10 mm; anthers (all) fertile, 3.5-5 mm; gynophore 0.3-1 mm.
Fruits
descending, smooth or slightly torulose, arcuate, flattened, 5-13(-15) cm × 2-2.5 mm; valves each with prominent midvein; replum straight; ovules 50-82 per ovary; style 1.5-3.5 mm; stigma entire.
Seeds
oblong, 2.2-3 × 1.4-1.8 mm; wing 0.1-0.4 mm wide, continuous.
Flowering May-Jul. Openings in pine forests, oak woodland; 400-1700 m; Calif.
Streptanthus longisiliquus
is known from Butte, Shasta, and Tehama counties.
Open Interactive Map
Click to Display
11 Total Images
This project made possible by
National Science Foundation Award EF 1702516
Powered by
Symbiota