Difference between revisions of "Delphinium geraniifolium"
Bull. Torrey Bot. Club 26: 583. 1899.
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|name=Delphinium tenuisectum subsp. amplibracteatum | |name=Delphinium tenuisectum subsp. amplibracteatum | ||
|authority=(Wooton) Ewan | |authority=(Wooton) Ewan | ||
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|hierarchy=Ranunculaceae;Delphinium;Delphinium sect. Diedropetala;Delphinium subsect. Wislizenana;Delphinium geraniifolium | |hierarchy=Ranunculaceae;Delphinium;Delphinium sect. Diedropetala;Delphinium subsect. Wislizenana;Delphinium geraniifolium | ||
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name=Delphinium geraniifolium | name=Delphinium geraniifolium | ||
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|authority=Rydberg | |authority=Rydberg | ||
|rank=species | |rank=species | ||
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|publication year=1899 | |publication year=1899 | ||
|special status=Endemic | |special status=Endemic | ||
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|genus=Delphinium | |genus=Delphinium | ||
|section=Delphinium sect. Diedropetala | |section=Delphinium sect. Diedropetala | ||
Latest revision as of 21:48, 5 November 2020
Stems 60-100 cm; base reddish, puberulent, midstems pubescent. Leaves mostly on proximal 1/3 of stem; basal leaves (0-)2-7 at anthesis; cauline leaves 12-20 at anthesis; petiole 1-14 cm. Leaf blade dark green, at least adaxially, fan-shaped to reniform, 2-5 × 3-7 cm, pubescent, especially abaxially; ultimate lobes 5-15, width 4-15 mm (basal lobes 5-15 mm), apex abruptly tapered, usually mucronate; veins prominent. Inflorescences 20-90-flowered, dense, cylindric; pedicel ascending to spreading, 1-2 cm, puberulent; bracteoles 1-2 mm from flowers, green, linear, 4-6 mm, puberulent. Flowers: sepals dark blue to purple, puberulent, lateral sepals spreading to slightly forward pointing, 10-14 × 3-5 mm, spurs ascending 20-70°, truncate or downcurved apically, 12-15 mm; lower petal blades slightly elevated, ± exposing stamens, 4-6 mm, clefts 0.5-2 mm; hairs sparse, local below junction of blade and claw, scattered on margins, white. Fruits 13-18 mm, 3-3.5 times longer than wide, puberulent. Seeds unwinged; seed coat cells with margins straight, surfaces ± roughened. 2n = 16.
Phenology: Flowering summer.
Habitat: Heavy clay soil, dry meadows in coniferous woods
Elevation: 1800-3400 m
Discussion
Delphinium geraniifolium is a more pubescent analog of the closely related D. scopulorum, the former occurring in heavier soils at higher elvation.
Selected References
None.