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Dichelostemma ida-maia

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

Dichelostemma ida-maia (Alph. Wood) Greene
Leaf: 3--5, 30--50 cm, glaucous, keeled. Inflorescence: umbel-like, open; scape 30--100 cm; bracts lanceolate, +- red; pedicels 1--5 cm; flowers 6--20 (nodding in flower, erect in fruit). Flower: perianth tube 20--27 mm, cylindric, red, with 6 sac-like swellings on lower 1/3, lobes recurved, erect in fruit, 7--9 mm, yellow-green, crown erect, 3--4 mm, entire, rounded, inrolled, +- white; stamens 3, anthers 6--8 mm; ovary 7--12 mm, narrow-ovoid, stalk 3--6 mm, style 7--20 mm. Chromosomes: n=24.
Ecology: Forest edges, grassland; Elevation: < 2000 m. Bioregional Distribution: NW; Distribution Outside California: southwestern Oregon. Flowering Time: May--Jul
Synonyms: Brevoortia ida-maia Alph. Wood; Brevoortia coccinea (A. Gray) S. Watson; Brodiaea coccinea A. Gray; Brodiaea ida-maia (Alph. Wood) Greene
eFlora Treatment Author: J. Chris Pires & Glenn Keator
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botanical illustration including Dichelostemma ida-maia


Citation for this treatment: J. Chris Pires & Glenn Keator 2016. Dichelostemma ida-maia, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 05, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 05, 2016.

Dichelostemma ida-maia
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© 2009 Gary A. Monroe
Dichelostemma ida-maia
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© 2008 Steve Matson
Dichelostemma ida-maia
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© 2008 Neal Kramer
Dichelostemma ida-maia
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© 2009 Gary A. Monroe
Dichelostemma ida-maia
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© 2009 Gary A. Monroe
Dichelostemma ida-maia
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© 2015 Larry Blakely

More photos of Dichelostemma ida-maia in CalPhotos

Geographic subdivisions for Dichelostemma ida-maia:
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).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

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