Jepson eFlora: Taxon page
Key to families | Table of families and genera
Previous taxon Index to accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Next taxon
Dichelostemma capitatum subsp. capitatum

Higher Taxonomy
Family: ThemidaceaeView DescriptionDichotomous Key

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.
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
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
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
eFlora Treatment Author: J. Chris Pires & Glenn Keator
Jepson Online Interchange

Previous taxon: Dichelostemma capitatum
Next taxon: Dichelostemma capitatum subsp. pauciflorum

Name Search
botanical illustration including Dichelostemma capitatum subsp. capitatum


Citation for this treatment: J. Chris Pires & Glenn Keator 2016. Dichelostemma capitatum subsp. capitatum, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on April 28, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on April 28, 2016.

Dichelostemma capitatum subsp. capitatum
click for enlargement
© 2007 Neal Kramer
Dichelostemma capitatum subsp. capitatum
click for enlargement
© 2015 Barry Breckling
Dichelostemma capitatum subsp. capitatum
click for enlargement
© 2009 Thomas Stoughton
Dichelostemma capitatum subsp. capitatum
click for enlargement
© 2004 Carol W. Witham
Dichelostemma capitatum subsp. capitatum
click for enlargement
© 2010 Thomas Stoughton
Dichelostemma capitatum subsp. capitatum
click for enlargement
© 2008 Keir Morse

More photos of Dichelostemma capitatum subsp. capitatum in CalPhotos

Geographic subdivisions for Dichelostemma capitatum subsp. capitatum:
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

View elevation by latitude chart
Data provided by the participants of the Consortium of California Herbaria.
View all CCH records

CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.