Boechera holboellii (Hornemann) Á. Löve & D. Löve (Q3788)
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Boechera holboellii is a taxon with the rank species within the genus Boechera
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English |
Boechera holboellii (Hornemann) Á. Löve & D. Löve
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Boechera holboellii is a taxon with the rank species within the genus Boechera
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Statements
taxon/id/Boechera holboellii (Hornemann) Á. Löve & D. Löve
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Boechera holboellii (Hornemann) Á. Löve & D. Löve
Boechera holboellii
(Hornemann) Á. Löve & D. Löve
FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
accepted
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arabette de holboell variété de holboell (French)
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Greenland, GL
present
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Böcher, T.W., B. Fredskild, K. Holmen & K. Jakobsen. 1978. Grønlands Flora. P. Haase & Søns Forlag, København. 326 pp.
100-300 m
100 meter
300 meter
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caudex present or absent.
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Stems usually 1 per caudex branch, arising from center of rosette near ground surface, 2–6.7 dm, densely pubescent proximally, trichomes short-stalked, 4–8-rayed, 0.1–0.3 mm, glabrous or sparsely pubescent distally.
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Basal leaves: blade oblanceolate, 2–5 mm wide, margins entire, sometimes ciliate near petiole base, trichomes (usually simple), to 0.7 mm, surfaces sparsely to moderately pubescent, trichomes short-stalked, 4–8-rayed, 0.1–0.3 mm.
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Cauline leaves: 7–40, often concealing stem proximally;
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blade auricles 1–4 mm, surfaces of distalmost leaves glabrous or sparsely pubescent.
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Fruiting pedicels descending to reflexed, most abruptly recurved near base, 5–10 mm, glabrous or sparsely pubescent, trichomes appressed, branched.
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Flowers divaricate to pendent at anthesis;
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sepals pubescent;
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petals white, 4–8 × 1–2 mm, glabrous;
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pollen ellipsoid or spheroid.
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Fruits descending to reflexed, not appressed to rachis, strongly secund, often curved, edges parallel, 0.35–0.65 cm × (2–) 2.2–2.5 mm;
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ovules 80–102 per ovary.
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Seeds uniseriate to sub-biseriate, 1.4–1.7 × 1–1.2 mm;
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pubescent
densely; proximally
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