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Umbrella Larkspur

Delphinium umbraculorum H. Lewis & Epling

Comments

provided by eFloras
Delphinium umbraculorum is most often confused with D . patens subsp. hepaticoideum ; refer to discussion of that taxon for distinguishing features. Hybrids occur with D . parryi and D . patens subsp. montanum .
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 3 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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eFloras.org
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Description

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Stems 40-70(-90) cm; base often reddish, glabrous or puberulent. Leaves usually present on proximal 1/5 of stem at anthesis; basal leaves 0-3 at anthesis; cauline leaves 3-7 at anthesis; petiole 0.8-12 cm. Leaf blade round to pentagonal, 1.5-4 × 2-6 cm, nearly glabrous; ultimate lobes 3-13, width 3-20 mm (basal), 1-8 mm (cauline). Inflorescences (5-)10-25(-45)-flowered, open, narrowly pyramidal; pedicel 0.5-3(-7) cm, glabrous to puberulent; bracteoles 3-7 mm from flowers, green, linear, 3-6 mm, puberulent. Flowers: sepals dark blue, puberulent, lateral sepals spreading, 9-16 × 4-7 mm, spurs gently upcurved, ascending 30-45° above horizontal, 8-14 mm; lower petal blades elevated, exposing stamens, 3.5-6 mm, clefts 0.5-1.5 mm; hairs densest near junction of blade and claw above base of cleft, centered or on inner lobes, white. Fruits 9-16(-19) mm, 2.5-3(-4) times longer than wide, puberulent. Seeds: seed coat cells brick-shaped, cell margins straight, surfaces smooth. 2 n = 16.
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 3 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
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eFloras

Distribution

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Calif.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 3 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
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eFloras

Flowering/Fruiting

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Flowering late spring-early summer.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 3 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
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eFloras

Habitat

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Slopes in oak forests; 400-1600m.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 3 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
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eFloras

Delphinium umbraculorum

provided by wikipedia EN

Delphinium umbraculorum is a species of larkspur known by the common name umbrella larkspur. However, its epithet does not denote an umbrella. Instead, it describes the habitat of this plant, usually shady and cool places.[1][2] It is often confused with D. parryii which has similar flowers and D. patens which has similar stems and leaves.[1] It is endemic to California, where it grows in the woodlands of the coastal mountain ranges from Monterey to Ventura Counties. It is a perennial herb producing an erect stem 40 to about 80 centimeters tall. The hairless leaves are located at the base of the plant and along the stem as well. The inflorescence bears several flowers with reflexed dark blue sepals and a spur over a centimeter long. The fruit is between 1 and 2 centimeters long.

References

  1. ^ a b Lewis, Harlan; Epling, Carl (1954). "A Taxonomic Study of Californian Delphiniums". Brittonia. 8 (1): 1–22. doi:10.2307/2804906. ISSN 0007-196X. JSTOR 2804906. S2CID 43059471.
  2. ^ "A Grammatical Dictionary of Botanical Latin". www.mobot.org. Retrieved 2019-10-31.

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Delphinium umbraculorum: Brief Summary

provided by wikipedia EN

Delphinium umbraculorum is a species of larkspur known by the common name umbrella larkspur. However, its epithet does not denote an umbrella. Instead, it describes the habitat of this plant, usually shady and cool places. It is often confused with D. parryii which has similar flowers and D. patens which has similar stems and leaves. It is endemic to California, where it grows in the woodlands of the coastal mountain ranges from Monterey to Ventura Counties. It is a perennial herb producing an erect stem 40 to about 80 centimeters tall. The hairless leaves are located at the base of the plant and along the stem as well. The inflorescence bears several flowers with reflexed dark blue sepals and a spur over a centimeter long. The fruit is between 1 and 2 centimeters long.

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