Difference between revisions of "Draba nemorosa"

Linnaeus

Sp. Pl. 2: 643. 1753.

Synonyms: Draba dictyota Greene Draba nemoralis Ehrhart Draba nemorosa var. brevisilicula Zapa ł owicz Draba nemorosa var. hebecarpa Lindblom Draba nemorosa var. leiocarpa Lindblom Tomostima nemorosa unknown
Treatment appears in FNA Volume 7. Treatment on page 321. Mentioned on page 272, 333.
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|name=Draba dictyota
 
|name=Draba dictyota
 
|authority=Greene
 
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|name=Draba nemoralis
 
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|name=Draba nemorosa var. brevisilicula
 
|name=Draba nemorosa var. brevisilicula
 
|authority=Zapa ł owicz
 
|authority=Zapa ł owicz
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|name=Draba nemorosa var. hebecarpa
 
|name=Draba nemorosa var. hebecarpa
 
|authority=Lindblom
 
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|name=Draba nemorosa var. leiocarpa
 
|name=Draba nemorosa var. leiocarpa
 
|authority=Lindblom
 
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|name=Tomostima nemorosa
 
|name=Tomostima nemorosa
 
|authority=unknown
 
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|publication year=1753
 
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|special status=
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V7/V7_433.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V7/V7_433.xml
 
|tribe=Brassicaceae tribe Arabideae
 
|tribe=Brassicaceae tribe Arabideae
 
|genus=Draba
 
|genus=Draba

Revision as of 18:57, 18 September 2019

Annuals; not scapose. Stems unbranched or branched proximally, (0.3–)0.6–4.5(–6) dm, densely pubescent proximally, glabrous distally, trichomes simple, 0.5–1.3 mm, and stalked, 2–4-rayed, 0.1–0.5 mm. Basal leaves rosulate or not, petiolate; petiole ciliate throughout; blade oblong-obovate or oblanceolate, (0.4–)1–3.5(–5) cm × (2–)5–15(–20) mm, margins usually dentate to denticulate, rarely subentire, surfaces sparsely to densely pubescent with stalked, 2- or 3-rayed, and cruciform trichomes, 0.1–0.5 mm. Cauline leaves 4–12(–15); sessile; blade broadly ovate to oblong, margins dentate or denticulate, surfaces pubescent, abaxially as basal, adaxially with primarily simple, and 2- or 3-rayed trichomes. Racemes (10–)18–60(–92)-flowered, ebracteate, considerably elongated in fruit; rachis not flexuous (straight), glabrous. Fruiting pedicels divaricate, straight, 7–28(–35) mm [(1.5–)2–7 times longer than fruit], glabrous. Flowers: sepals ovate, (0.7–)0.9–1.6 mm, sparsely pubescent, (trichomes simple); petals yellow, spatulate to oblanceolate, (1.2–)1.7–2.2(–2.5) × (0.4–)0.6–1 mm, (deeply notched); anthers broadly ovate to subreniform, 0.1–0.2 mm. Fruits oblong to elliptic or, rarely, oblong-oblanceolate, plane, slightly flattened, (3–)5–8 (–10) × 1.5–2.5 mm; valves glabrous or puberulent, trichomes simple, antrorse, 0.05–0.2 mm; ovules (30–)36–60(–72) per ovary; style 0.01–0.1 mm. Seeds ovoid, 0.5–0.7(–0.8) × 0.3–0.4(–0.5) mm. 2n = 16.


Phenology: Flowering Apr–Jul.
Habitat: Rock outcrops, open wooded slopes, meadows and prairies, stream banks, roadsides, disturbed gravelly grounds, waste places
Elevation: 0-2700 m

Distribution

V7 433-distribution-map.gif

Alta., B.C., Man., N.W.T., Nunavut, Ont., Que., Sask., Yukon, Alaska, Calif., Colo., Idaho, Iowa, Mich., Minn., Mont., Nebr., Nev., N.Dak., Oreg., S.Dak., Utah, Wash., Wis., Wyo., Europe, Asia, introduced also in Australia.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Draba nemorosa"
Ihsan A. Al-Shehbaz +, Michael D. Windham +  and Reidar Elven +
Linnaeus +
Alta. +, B.C. +, Man. +, N.W.T. +, Nunavut +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, Calif. +, Colo. +, Idaho +, Iowa +, Mich. +, Minn. +, Mont. +, Nebr. +, Nev. +, N.Dak. +, Oreg. +, S.Dak. +, Utah +, Wash. +, Wis. +, Wyo. +, Europe +, Asia +  and introduced also in Australia. +
0-2700 m +
Rock outcrops, open wooded slopes, meadows and prairies, stream banks, roadsides, disturbed gravelly grounds, waste places +
Flowering Apr–Jul. +
Draba dictyota +, Draba nemoralis +, Draba nemorosa var. brevisilicula +, Draba nemorosa var. hebecarpa +, Draba nemorosa var. leiocarpa +  and Tomostima nemorosa +
Draba nemorosa +
species +