Difference between revisions of "Nevada holmgrenii"
Brittonia 56: 241. 2004.
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|name=Smelowskia holmgrenii | |name=Smelowskia holmgrenii | ||
|authority=Rollins | |authority=Rollins | ||
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|publication_title=Contr. Gray Herb. | |publication_title=Contr. Gray Herb. | ||
|publication_place=171: 50. 1950 | |publication_place=171: 50. 1950 | ||
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name=Nevada holmgrenii | name=Nevada holmgrenii | ||
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|authority=(Rollins) N. H. Holmgren | |authority=(Rollins) N. H. Holmgren | ||
|rank=species | |rank=species | ||
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|publication year=2004 | |publication year=2004 | ||
|special status= | |special status= | ||
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|tribe=Brassicaceae tribe Boechereae | |tribe=Brassicaceae tribe Boechereae | ||
|genus=Nevada | |genus=Nevada | ||
Latest revision as of 22:34, 5 November 2020
Stems (0.8–)1–2.5(–3.2) dm, glabrous. Basal leaves: petiole to 2 cm (ciliate, trichomes to 0.4 mm); blade (rigid) narrowly to broadly oblanceolate, 1–5 cm × 3–6(–9) mm, base attenuate to cuneate, apex acute, surfaces glabrous or, rarely, margins ciliate to apex. Cauline leaves 3–5; blade linear to lanceolate, (0.6–)1–1.8(–2.5) cm × 1–3 mm, surfaces glabrous, sometimes margins ciliate, apex acute. Racemes somewhat lax in fruit. Fruiting pedicels sometimes appressed to rachis, straight, 3–9 mm, glabrous. Flowers: sepals 1.7–2.5 × 0.8–1.5 mm; petals 2.8–4 × 1.5–2 mm, attenuate to clawlike base; filaments 1.5–2.5 mm; anthers 0.4–0.6 mm. Fruits ascending to erect, (0.7–)1–1.8(–2.4) cm × 1–1.5 mm; style 0.1–0.4 mm. Seeds 2–3 × 0.7–1 mm. 2n = 14.
Phenology: Flowering Jun–Jul.
Habitat: Rock outcrops, crevices, metamorphic rocks, cracks, ledges, talus of schist
Elevation: 1900-3500 m
Discussion
Of conservation concern.
Nevada holmgrenii is restricted to central Nevada in Humboldt, Lander, Nye, Pershing, and White Pine counties.
Selected References
None.