Log In
New Account
Sitemap
Home
Specimen Search
Search Collections
Map Search
Exsiccati Search
Images
Image Library
Search Images
Inventories
State Floras
Kentucky Flora
Dynamic Tools
Dynamic Checklist
Dynamic Key
Draba heilii
Family:
Brassicaceae
Heil's Whitlow-Grass
Images
not available
FNA
Resources
Ihsan A. Al-Shehbaz, Michael D. Windham, Reidar Elven in Flora of North America (vol. 7)
Perennials;
(densely cespitose); caudex few-branched (compact, with persistent, thickened leaves); not scapose.
Stems
unbranched or branched distally, 0.3-0.7 dm, glabrous throughout or, rarely, pilose, trichomes simple and stalked, 2-rayed, 0.2-0.5 mm.
Basal leaves
(persistent, imbricate); rosulate; undifferentiated into blade and petiole (becoming indurate at base); blade linear-lanceolate, 0.5-0.8 cm × 1-1.5(-2) mm, margins entire, surfaces glabrous or, rarely, pilose with simple and stalked, 2-rayed trichomes, (margins ciliate with simple and, rarely, 2-rayed setiform trichomes, 0.5-1.3 mm, midvein prominent).
Cauline leaves
6-8; sessile; blade linear-oblong, 0.5-0.8 cm × 1-2 mm (widest about base), margins entire, (ciliate).
Racemes
10-26-flowered, ebracteate, elongated in fruit; rachis not flexuous, usually glabrous, rarely pubescent, (trichomes non-crisped, simple and 2-rayed).
Fruiting pedicels
ascending, straight, 3-5(-7) mm, usually glabrous, rarely pilose, (trichomes simple and 2-rayed, stalked).
Flowers:
sepals ovate, 1.7-2.7 mm, usually glabrous, rarely pilose, (trichomes simple); petals yellow, oblong-oblanceolate, 4-6 × 1.5-2 mm; anthers oblong, 0.5-0.6 mm.
Fruits
narrowly lanceolate, twisted 1/2 turn or plane, flattened, 7-10 × 1.3-1.6 mm; valves glabrous; ovules 16-20 per ovary; style 0.7-1.3 mm.
Seeds
ovoid, 1 × 0.6 mm.
Flowering Jun-Jul. Alpine tundra; ca. 3700 m; N.Mex.
Draba heilii
is restricted to Mora and Rio Arriba counties.
Click to Display
0 Total Images
This project made possible by
National Science Foundation Award 1410069
Powered by
Symbiota
.