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Vascular Plants of California
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Dichelostemma capitatum subsp. capitatum


Higher Taxonomy
Family: ThemidaceaeView DescriptionDichotomous Key
Common Name: BRODIAEA FAMILY
Habit: Perennial herb from corm, outer coat fibrous [membranous]. Leaf: basal, 1--10, linear to narrow-lanceolate. Inflorescence: scapose, generally umbel-like; scape erect, generally 1(2), cylindric, generally rigid, occasionally wavy to twining; flower bracts 2--4[10], not enclosing flower buds. Flower: perianth parts 6 in 2 petal-like whorls, free or +- fused below into tube; staminodes 0 or 3; stamens 3 or 6, free or fused to perianth, occasionally appendaged; ovary superior, chambers 3, ovules 2--several per chamber. Fruit: capsule, loculicidal.
Genera In Family: 10--11 genera, 60--70 species: western North America.
eFlora Treatment Author: J. Chris Pires, except as noted
Scientific Editor: Dale W. McNeal, Thomas J. Rosatti, Bruce G. Baldwin.
Genus: DichelostemmaView DescriptionDichotomous Key

Habit: Daughter corms generally sessile. Leaf: 2--5, generally keeled, entire, glabrous, occasionally withered by flowering. Inflorescence: raceme- or umbel-like, generally dense; scape generally curved, twisted, or twining, cylindric; bracts +- papery; pedicels generally < flowers. Flower: perianth tube cylindric to bell-shaped, appendages at junction of tube, lobes forming crown; staminodes 0 (3, stamen-like); stamens 3, equal, or 6, unequal, 3 smaller, filaments fused to perianth tube, forming crown-like tube outside anthers, anthers attached at base; style 1, stigma weakly 3-lobed. Fruit: generally sessile, generally ovoid, 3-angled. Seed: sharp-angled, black-crusted.
Species In Genus: 5 species: western United States, especially northern California, northern Mexico. Etymology: (Greek: toothed crown, from perianth appendages)
eFlora Treatment Author: J. Chris Pires & Glenn Keator
Reference: Keator 1992 Four Seasons 9:24--39
Species: Dichelostemma capitatumView Description 

Common Name: BLUE DICKS
Leaf: 2--3, 10--70 cm, +- keeled. Inflorescence: umbel-like, dense; scape 5--70 cm; bracts wide-lanceolate. Flower: perianth blue, blue-purple, pink-purple, or white, tube 3--12 mm, narrow-cylindric to short-bell-shaped, lobes generally ascending, 7--12 mm, crown erect, leaning toward anthers, outward at tip, 4--6 mm, lanceolate, deep-notched, white; stamens 6, smaller 3 on outer perianth parts, outer filaments wider than inner at base, outer anthers 2--3 mm, inner anthers 3--4 mm; ovary sessile 4--8 mm, style 4--8 mm.

Dichelostemma capitatum (Benth.) Alph. Wood subsp. capitatum
NATIVE
Inflorescence: bracts generally dark purple (paler, striped dark purple); pedicels 1--15 mm, generally < bracts; flowers 6--15. Flower: perianth lobes generally ascending. Chromosomes: n=9,18,27,36,45.
Ecology: Open woodland, scrub, desert, grassland; Elevation: < 2300 m. Bioregional Distribution: CA; Distribution Outside California: to Oregon, northern Mexico. Flowering Time: Mar--Jun
Synonyms: Brodiaea capitata Benth. var. insularis (Greene) J.F. Macbr.; Brodiaea insularis Greene; Dichelostemma insulare (Greene) Burnham; Dichelostemma lacuna-vernalis L.W. Lenz; Dipterostemon insularis (Greene) Rydb.; Dichelostemma capitatum subsp. lacuna-vernalis (L.W. Lenz) D.W. Taylor
Jepson eFlora Author: J. Chris Pires & Glenn Keator
Reference: Keator 1992 Four Seasons 9:24--39
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Botanical illustration including Dichelostemma capitatum subsp. capitatum

botanical illustration including Dichelostemma capitatum subsp. capitatum

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Citation for this treatment: J. Chris Pires & Glenn Keator 2012, Dichelostemma capitatum subsp. capitatum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=50163, accessed on December 11, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on December 11, 2019.

Dichelostemma capitatum subsp. capitatum
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© 2009 Thomas Stoughton
Dichelostemma capitatum subsp. capitatum
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© 2009 Thomas Stoughton
Dichelostemma capitatum subsp. capitatum
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© 2016 Keir Morse
Dichelostemma capitatum subsp. capitatum
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© 2010 Gary A. Monroe
Dichelostemma capitatum subsp. capitatum
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© 2009 Keir Morse
Dichelostemma capitatum subsp. capitatum
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© 2008 Steve Matson

More photos of Dichelostemma capitatum subsp. capitatum in CalPhotos



Geographic subdivisions for Dichelostemma capitatum subsp. capitatum:
CA
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map of distribution 1
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Data provided by the participants of the  Consortium of California Herbaria.
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All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.