Delphinium viridescens |
Delphinium luteum |
|
---|---|---|
Wenatchee larkspur |
golden larkspur, yellow larkspur |
|
Stems | 90-150 cm; base usually green, glabrous. |
20-40(-55) cm; base often reddish, nearly glabrous. |
Leaves | blade cuneate to semicircular, 2-5 × 3-12 cm, nearly glabrous; ultimate lobes 3-21, width 1-8 mm. |
blade round to pentagonal, 1-5 × 2-10 cm, nearly glabrous; ultimate lobes 3-5, width 8-30 mm (basal), 5-15 mm (cauline). |
Inflorescences | 25-80-flowered, dense; pedicel 0.5-2 cm, glandular-pubescent; bracteoles 1-4 mm from flowers, green, lanceolate, 3.5-6 mm, glandular-pubescent. |
5-25(-37)-flowered; pedicel (1-)3-5(-7) cm, puberulent; bracteoles 6-10(-17) mm from flowers, green, linear-lanceolate, 6-7 mm, nearly glabrous. |
Flowers | sepals yellowish green, nearly glabrous, lateral sepals forward pointing, 7-9 × 3-4 mm, spurs decurved, 30-45° below horizontal, often hooked apically, 8-11 mm; lower petal blades ± covering stamens, 4-6 mm, clefts 0.5-1.5 mm; hairs centered, mostly near junction of blade and claw, yellow. |
sepals bright yellow, puberulent, appearing waxy, lateral sepals ± forward pointing, (11-)14-16 × (6-)9-13 mm, spur straight, ca. 30° below horizontal, 11-20 mm; lower petal blades elevated, exposing stamens, 3-4 mm, clefts 0.5-1.5 mm; hairs sparse or absent, ± evenly distributed if present, white to yellow. |
Fruits | 8-11 mm, 2.5-3 times longer than wide, puberulent. |
11-14 mm, 3.5-4.5 times longer than wide, glabrous. |
Seeds | ± wing-margined; seed coat cells with surfaces ± roughened. |
unwinged; seed coat cell surfaces smooth. |
Delphinium viridescens |
Delphinium luteum |
|
Phenology | Flowering summer. | Flowering late winter-mid spring. |
Habitat | Wet meadows and streamsides in coniferous forest, heavy clay soils | Wet cliffs, coastal grassland or chaparral |
Elevation | 500-1000 m (1600-3300 ft) | 0-50 m (0-200 ft) |
Distribution |
WA
|
CA
|
Discussion | Of conservation concern. Delphinium viridescens is local in mountains southwest of Wenatchee, Washington. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. Delphinium luteum is presently known from only three populations. It is known to hybridize with D. decorum and with D. nudicaule. Populations of D. hesperium subsp. hesperium also occur at the type locality; D. luteum flowers earlier and hybrids are not known. Delphinium luteum is not likely to be mistaken for any other species of Delphinium. It has been treated as a variety of D. nudicaule and is closely related to that species. Sepals of the infrequent yellow-flowered phase of D. nudicaule, however, have a much drabber appearance compared with the bright shining yellow of the sepals in D. luteum. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 3. | FNA vol. 3. |
Parent taxa | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Multiplex | Ranunculaceae > Delphinium > sect. Diedropetala > subsect. Bicoloria |
Sibling taxa | ||
Name authority | Leiberg: Proc. Biol. Soc. Wash. 11: 39. (1897) | A. Heller: Bull. S. Calif. Acad. Sci. 6: 68. (1903) |
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