Draba Sp. - Draba
Family: Brassicaceae (Mustard) [E-flora]
"Annual to perennial herb, generally cushion- or mat-forming, occasionally scapose, hairs simple, forked, or many-branched. Leaf: basal generally rosetted; cauline entire or shallowly toothed, base generally not lobed, occasionally 0. Inflorescence: generally many-flowered, elongated or not; bracts generally 0. Flower: sepals bases equal; petals generally short-clawed, yellow or white (lavender or red). Fruit: silique or silicle, dehiscent, linear to lanceolate or ovate, occasionally ovoid or spheric, cylindric or flat parallel to septum, unsegmented; stigma entire. Seed: in 2 rows; wing generally 0.
370+ species: northern hemisphere, South America mountains. (Greek: acrid, describing taste of crucifer leaves)" [Jepson]
Local Species;
- Draba albertina - slender draba [E-flora]
- Draba aurea - golden draba [E-flora]
- Draba cana - Lance-leaved draba [E-flora]
- Draba hyperborea - North Pacific draba [E-flora]
- Draba incerta - Yellowstone draba [E-flora]
- Draba lonchocarpa - lance-fruited draba [E-flora]
- Draba nemorosa - woods draba [E-flora]
- Draba nivalis - snow draba [E-flora]
- Draba stenoloba - Alaska draba [E-flora]
- Draba verna- common draba [E-flora]
References
- [Jepson] Ihsan A. Al-Shehbaz, 2012. Draba, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=23415, accessed on Mar 14 2014
Draba albertina - slender draba
"General: Biennial or short-lived perennial herb from a taproot and a simple stem-base; stems one to several, 4-30 cm long, often branched from the leaf axils, basal hairs coarse, mainly simple hairs, some 2-branched." [IFBC-E-flora]
"Habitat / Range Mesic to dry forest openings and meadows from the montane to alpine zones; infrequent in SC and SE BC, rare northward to NW BC (Atlin) and westward to central Vancouver Island; N to YT and NT, E to SK and S to CO and CA." [IFBC-E-flora]
Status: Native [E-flora]
Synonyms
- Draba crassifolia var. nevadensis C.L. Hitchc.
- Draba nitida Greene
- Draba stenoloba var. nana (O.E. Schulz) C.L. Hitchc. [E-flora]
References
- [E-flora] https://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Draba%20albertina&redblue=Both&lifeform=7, Accessed July 4, 2021
Draba aurea - golden draba
"General: Perennial herb from a taproot; stems simple or branched, erect or decumbent at base, 10-50 cm tall, hairs long and simple or often branched." [IFBC-E-flora]
"Habitat / Range Mesic to dry forest openings, meadows, rocky slopes and talus slopes from the montane to alpine zones; frequent throughout BC east of the Coast-Cascade Mountains; N to AK, YT and NT, E to PQ and S to N WA, ID, MT, NM and AZ." [IFBC-E-flora]
Status: Native [E-flora]
Synonyms
- Draba aurea var. leiocarpa (Payson & H. St. John) C.L. Hitchc.
- Draba aurea var. neomexicana (Greene) Tidestrom
- Draba minganensis (Victorin) Fern.
- Draba neomexicana Greene [E-flora]
References
- [E-flora] https://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Draba%20aurea&redblue=Both&lifeform=7, Accessed July 4, 2021
Draba cana - Lance-leaved draba
"General: Loosely tufted perennial herb from a taproot and a simple or branched stem-base; stems branched, erect or decumbent at base, 5-25 cm tall, densely hairy with simple and starlike hairs." [IFBC-E-flora]
"Habitat / Range Mesic to dry meadows, cliffs, rocky slopes and river terraces in the subalpine and alpine zones; frequent in N BC, less frequent southward E of the Coast-Cascade Mountains; circumpolar, N to AK, YT and NT, E to PQ and S to CO, VT and NV; Eurasia, Greenland." [IFBC-E-flora]
Status: Native [E-flora]
References
- [E-flora] https://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Draba%20cana&redblue=Both&lifeform=7, Accessed July 4, 2021
Draba hyperborea - North Pacific draba
"General: Tufted perennial herb from a thick taproot and a stem-base with persistent peglike leaf bases, sometimes elongated and rhizomatous; stems erect, 2-8 cm tall, glabrous." [IFBC-E-flora]
"Habitat / Range Moist to mesic, often nitrified, rocky coastal cliffs, bluffs and beaches in the lowland zone; locally frequent from N Vancouver Island northward in coastal BC; amphiberingian, N to AK; E Asia." [IFBC-E-flora]
Synonyms
- Draba hatchiae G. Mulligan [E-flora]
References
- [E-flora] https://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Draba%20hyperborea&redblue=Both&lifeform=7, Accessed July 4, 2021
Draba incerta - Yellowstone draba
"General: Tufted perennial herb from a taproot and a usually much branched stem-base; stems erect, 2-20 cm tall, starlike-hairy." [IFBC-E-flora]
"Habitat / Range Dry meadows, cliffs, fellfields and scree slopes in the upper montane, subalpine, and alpine zones; common throughout BC E of the Coast-Cascade Mountains; N to AK and YT, E to AB and S to WA, ID, MT and WY, disjunct in PQ." [IFBC-E-flora]
Status: Native [E-flora]
References
- [E-flora] https://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Draba%20incerta&redblue=Both&lifeform=7, Accessed July 4, 2021
Draba lonchocarpa - lance-fruited draba
SUBTAXA PRESENT IN BC
- Draba lonchocarpa var. lonchocarpa
- Draba lonchocarpa var. thompsonii
- Draba lonchocarpa var. vestita
"General: Tufted perennial herb from a taproot; stems tufted, 1-12 cm tall, glabrous to finely feltlike and woolly with starlike hairs." [IFBC-E-flora]
Notes: Three varieties occur in BC.
- 1. Stems with 1 or 2 leaves, usually more than 2 mm wide; silicles usually appressed to axis of the inflorescence; stems and stalks frequently hairy................ var. vestita O.E. Schulz
- 1. Stems leafless or rarely with 1 leaf, less than 2 mm wide; silicles usually spreading; upper stems and stalks usually glabrous.
- 2. Silicles more than 2 mm wide................. var. thompsonii (C.L. Hitchc.) Rollins
- 2. Silicles less than 2 mm wide............... var. lonchocarpa
"Habitat / Range Mesic to dry meadows, cliffs and scree slopes in the subalpine and alpine zones; var. lonchocarpa - common throughout BC E of the Coast-Cascade Mountains, var. thompsonii - rare in and E of the Coast-Cascade Mountains south of 57degreeN, var. vestita - rare in coastal and west-central BC; var. lonchocarpa - N to AK, YT and NT, E to AB, and S to OR, MT and WY, var. thompsonii - S to N WA and var. vestita - N to SC AK." [IFBC-E-flora]
Status: Native [E-flora]
References
- [E-flora] https://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Draba%20lonchocarpa&redblue=Both&lifeform=7, Accessed July 4, 2021
Draba nemorosa - woods draba
"General: Annual herb from slender taproot; stems simple or branched, 5-25 (35) cm tall, hairy with both branched and starlike hairs, sometimes with some simple hairs or nearly glabrous." [IFBC-E-flora]
"Habitat / Range Moist to dry open forests, grasslands and shrublands in the lowland, steppe and montane zones; common in S BC, rare northward; circumpolar, N to AK, YT and NT, E to PQ and S to CO and N CA; Eurasia." [IFBC-E-flora]
Status: Native [E-flora]
Edible Uses
- Young Plant
- "Young plant - cooked[105, 177]. A nutritional analysis is available[218]." [PFAF]
Medicinal Uses
- Seed
- "The seed is antiasthmatic, demulcent, deobstruent, diuretic, expectorant, laxative[147, 178, 218]." [PFAF]
Woods Draba – D. nemorosa [218]
| Part: | Leaves | Per 100 g dry weight |
| Food Energy (Kcal) | - | Ash (g) | 14.4 | Potassium (mg) | 1780 |
| Water (g) | - | Thiamine (mg) | - | Magnesium (mg) | - |
| Protein (g) | 15.8 | Riboflavin (mg) | - | Calcium (mg) | 3310 |
| Fat (g) | 2.1 | Niacin (mg) | - | Phosphorus (mg) | 330 |
| Carbohydrate (g) | 67.7 | Vitamin C (mg) | - | Sodium (mg) | - |
| Fiber (g) | 17.6 | Vitamin A (RE) | - | Iron (mg) | - |
| Zinc (mg) | - | Manganese (mg) | - | Copper (mg) | - |
Notes: "It is assumed that this analysis is for the leaves on a zero moisture basis, though the report was a bit vague." [PFAF]
Cultivation & Propagation
"We have no details for this species, though judging by its native range it should be hardy in most parts of Britain. It is likely to prefer a sunny position in a well-drained soil[K]." [PFAF]
"Seed - sow spring in situ." [PFAF]
Synonyms
- Draba lutea Gilib.
- Draba nemorosa var. leiocarpa Lindbl. [E-flora]
References
- [E-flora] https://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Draba%20nemorosa&redblue=Both&lifeform=7, Accessed July 4, 2021
Draba nivalis - snow draba
"General: Tufted perennial herb from a taproot; stems branched, 3-12 (20) cm tall, starlike-hairy." [IFBC-E-flora]
"Habitat / Range Mesic to dry meadows, rocky slopes and scree slopes in the subalpine and alpine zones; infrequent throughout BC; N to AK, YT and NT and E to NF." [IFBC-E-flora]
Status: Native [E-flora]
Synonyms
- Draba nivalis var. thompsonii C.L. Hitchc. [E-flora]
References
- [E-flora] https://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Draba%20nivalis&redblue=Both&lifeform=7, Accessed July 4, 2021
Draba stenoloba - Alaska draba
"General: Biennial or short-lived perennial herb from a slender taproot and a usually simple stem-base; stems simple or branched, 3-32 cm tall, hairy below mainly with crosslike hairs, commonly glabrous above." [IFBC-E-flora]
"Habitat / Range Moist to dry meadows and cliffs in the subalpine and alpine zones; infrequent throughout BC; N to AK, YT, W NT and E to SW AB." [IFBC-E-flora]
Status: Native [E-flora]
References
- [E-flora] https://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Draba%20stenoloba&redblue=Both&lifeform=7, Accessed July 4, 2021
Draba verna- common draba
"General: Annual herb from a slender taproot; stems leafless, 5-20 (25) cm tall, glabrous or hairy with simple and branched hairs near base." [IFBC-E-flora]
"Habitat / Range Dry disturbed areas and waste areas in the lowland, montane and steppe zones; locally frequent in SW BC, known from SE Vancouver Island, the Gulf Islands and the adjacent lower mainland, frequent in WC and SC BC; introduced from Eurasia." [IFBC-E-flora]
Status: Exotic [E-flora]
References
- [E-flora] https://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Draba%20verna&redblue=Both&lifeform=7, Accessed July 4, 2021