Delphinium distichum |
Delphinium multiplex |
|
---|---|---|
Burke's larkspur, meadow larkspur, strict larkspur, two-spike larkspur |
Kittitas larkspur |
|
Stems | (25-)30-60(-80) cm; base sometimes reddish, puberulent. |
(40-)80-130(-180) cm; base usually green, glabrous. |
Leaves | blade cuneate to semicircular, 1-5 × 1.5-7 cm, puberulent; ultimate lobes 5-19, width 2-8(-15) mm (basal), 0.5-3(-5) mm (cauline); margins of basal leaf, measured less than 1 cm from blade base, demarcating considerably more than 90° of arc when leaf laid flat; most cauline leaf blades exceeding internodes. |
blade round on proximal stem, ± cuneate on distal stem, 1.5-9 × 2-14 cm, glabrous; ultimate lobes 3-15, width 15-30 mm (basal), 1-20 mm (cauline). |
Inflorescences | 8-30(-40)-flowered, usually dense; pedicel 0.5-1.5 cm, puberulent; bracteoles 0-3 mm from flowers, green to blue, linear, 4-8 mm, puberulent. |
25-50-flowered, ± dense; pedicel 0.5-2 cm, glandular-puberulent; bracteoles 4-5 mm from flowers, green to blue, lanceolate-linear, 3-7 mm, glandular-puberulent. |
Flowers | sepals dark blue to bluish purple, puberulent, lateral sepals ± erect, 8-12 × 3.5-5 mm, spurs straight, horizontal or nearly so, 9-15 mm; lower petal blades ± covering stamens, 4.5-6.5 mm, clefts 2-3 mm; hairs centered mostly near base of cleft, white. |
sepals dark blue, puberulent, lateral sepals forward pointing to spreading, 12-15 × 5-7 mm, spurs straight, within 20° of horizontal, 12-16 mm; lower petal blades slightly elevated, exposing stamens, 6-8 mm, clefts 2-3 mm; hairs centered, mostly near base of cleft, white. |
Fruits | 7-13 mm, 3.5-4 times longer than wide, ± puberulent. |
10-15 mm, 3-4 times longer than wide, glandular-puberulent. |
Seeds | seed coat cells with surfaces roughened. |
narrowly wing-margined; seed coat cells with surfaces somewhat roughened. |
2n | = 16. |
= 16. |
Delphinium distichum |
Delphinium multiplex |
|
Phenology | Flowering late spring–early summer. | Flowering late spring–summer. |
Habitat | Wet meadows | Rocky streambeds |
Elevation | 100-2400 m (300-7900 ft) | 1500-1800 m (4900-5900 ft) |
Distribution |
ID; MT; OR; WA; WY; BC
|
WA
|
Discussion | Delphinium distichum hybridizes with D. multiplex and D. nuttallianum (D. ×diversicolor Rydberg). The name D. burkei has often been misapplied to D. distichum. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Delphinium multiplex hybridizes with D. glaucum and D. distichum. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 3. | FNA vol. 3. |
Parent taxa | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Depauperata | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Multiplex |
Sibling taxa | ||
Synonyms | D. strictum var. distichiflorum | D. cyanoreios |
Name authority | Geyer ex Hooker: J. Bot. 6: 68. (1847) | (Ewan) C. L. Hitchcock: in C. L. Hitchcock et al., Vasc. Pl. Pacif. N.W. 2: 357. (1964) |
Web links |
|