Log In
New Account
Sitemap
Home
Search
Search Collections
Map Search
Images
Image Browser
Search Images
Mid-Atlantic Floras
Delaware
Maryland
New Jersey
New York
Pennsylvania
NYC EcoFlora
Vascular Checklist
Identification Key
Central Park
Additional Local Lists
More Details About Project
Interactive Tools
Dynamic Checklist
Dynamic Key
Crowdsource Data Entry
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
Draba platycarpa
Torr. & A. Gray
Family:
Brassicaceae
broadpod draba,
more...
broad-pod whitlowgrass, broadpod whitlowgrass
[
Draba cuneifolia var. platycarpa
(Torr. & A. Gray) S. Wats.,
more
Draba viperensis
St. John
]
Naturenut
FNA
Resources
Ihsan A. Al-Shehbaz, Michael D. Windham, Reidar Elven in Flora of North America (vol. 7)
Annuals;
scapose or subscapose.
Stems
often unbranched, sometimes branched proximally, (0.3-)0.5-3.2(-4) dm, densely hirsute proximally, trichomes simple, 0.9-1.5 mm, and stalked, 2-4-rayed, 0.1-0.6 mm, pubescent distally, trichomes usually branched, rarely simple ones present.
Basal leaves
rosulate; petiole obscure; blade obovate to spatulate or oblanceolate, 1-4.5 cm × 5-25(-30) mm, margins dentate, surfaces pubescent, abaxially with stalked, (2 or) 3 or 4-rayed trichomes, 0.1-0.6 mm, adaxially with simple, 0.7-1.3 mm, and stalked, 2-4-rayed ones, 0.1-0.5 mm.
Cauline leaves
(3 or) 4-8(-14); sessile; blade similar to basal.
Racemes
12-45(-60)-flowered, ebracteate, elongated in fruit; rachis not flexuous, pubescent, trichomes 2-4-rayed.
Fruiting pedicels
horizontal to divaricate, straight, 4-9(-11) mm, pubescent as stem.
Flowers:
(mid- and late-season ones cleistogamous, apetalous); sepals oblong, 1.4-2.2 mm, pubescent; petals white, oblanceolate, (1.7-)2.5-3.5(-4) × 1-2 mm; anthers ovate, 0.2-0.35 mm (shorter in cleistogamous flowers).
Fruits
obovate-oblong to obovate, plane, flattened, 5-8.2(-9.5) × (2.4-)2.8-3.7(-4) mm; valves pubescent, trichomes simple, antrorse, 0.2-0.5 mm; ovules (28-) 40-70(-82) per ovary; style 0.01-0.2 mm.
Seeds
ovoid, 0.5-0.7 × 0.3-0.5 mm.
2
n
= 16, 32.
Flowering Feb-Mar. Rocky hillsides, gravelly and sandy areas, dry plains, roadsides; 0-500 m; Ariz., Ark., Idaho, La., Okla., Oreg., Tex., Wash.
Draba platycarpa
is occasionally treated as a variety of
D. cuneifolia
, but is amply distinct from that species (R. L. Hartman et al. 1975).
Open Interactive Map
Click to Display
100 Initial Images
- - - - -
View All Images
This project made possible by National Science Foundation Awards
1601697
,
1600981
,
1601393
,
1600976
,
1601429
,
1601101
,
1601503
Powered by
Symbiota