Delphinium brachycentrum |
|
---|---|
arctic larkspur, northern larkspur |
|
Stems | 20-50(-80) cm; base often reddish, pubescent. |
Leaves | blade round to pentagonal, 1.5-6 × 3-11 cm, puberulent; ultimate lobes 5-15, width 1-7(-15) mm. |
Inflorescences | 5-18-flowered; pedicel 1-4.5 cm, pubescent; bracteoles 2-7 mm from flowers, blue, linear, 5-8 mm, puberulent. |
Flowers | sepals dark blue, apex rounded, puberulent, lateral sepals forward pointing, 17-24 × 7-9 mm, spurs straight to slightly decurved, ascending 30-60° above horizontal, 15-17 mm; lower petal blades ± covering stamens, 5-7 mm, clefts 0.5-1.5 mm; hairs sparse, local, centered, mostly above base of cleft, white. |
Fruits | 14-17 mm, 3.5-4 times longer than wide, pubescent. |
Seeds | wing-margined; seed coat cells ± elongate, surfaces roughened. |
Delphinium brachycentrum |
|
Phenology | Flowering summer. |
Habitat | Well-drained tundra slopes |
Elevation | 0-1600 m (0-5200 ft) |
Distribution |
AK; YT; e Asia |
Discussion | Hybrids with Delphinium glaucum are known as D. ×nutans A. Nelson. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 3. |
Parent taxa | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Exaltata |
Sibling taxa | |
Synonyms | D. chamissonis |
Name authority | Ledebour: Fl. Ross. 1: 60. (1841) |
Web links |