Difference between revisions of "Delphinium wootonii"
Bull. Torrey Bot. Club 26: 587. 1900.
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Revision as of 22:15, 16 December 2019
Stems (15-)30-50(-60) cm; base sometimes reddish, pubescent. Leaves mostly on proximal 1/4 of stem at anthesis; basal leaves 0-10 at anthesis; cauline leaves 3-10 at anthesis; petiole 0.5-8(-14) cm. Leaf blade reniform to fan-shaped, 1.5-3 × 2.5-4 cm, puberulent; ultimate lobes 5-24, width 2-6 mm (basal), 1-3 mm (cauline). Inflorescences 15-30(-49)-flowered; pedicel 1-2(-3.6) cm, puberulent; bracteoles 1-5 mm from flowers, green, linear, 1-4(-12) mm, puberulent. Flowers: sepals white to lavender, nearly glabrous, lateral sepals usually reflexed, (6-)8-13 × 3-7 mm, spur straight, ascending 30-80° above horizontal, (8-)13-20(-25) mm; lower petal blades ± elevated, 6-9 mm, cleft 2.5-4.5 mm; hairs centered, densest near base of cleft, white. Fruits (10-)11-20(-24) mm, 3-3.5 times longer than wide, glabrous. Seeds: seed coat cells with surfaces pustulate. 2n = 16.
Phenology: Flowering spring.
Habitat: Oak woods, grasslands, desert scrub
Elevation: 700-1800 m
Distribution
Ariz., Colo., N.Mex., Tex., Mexico (Sonora, Chihuahua, and Coahuila).
Discussion
Delphinium wootonii hybridizes with D. madrense in the eastern Big Bend area of Texas, and with D. carolinianum subsp. virescens.
Selected References
None.