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Bloomeria crocea var. crocea

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: BloomeriaView DescriptionDichotomous Key

Habit: Corm +- spheric, daughter corms 1--3 on stalks. Leaf: 1--8, keeled, entire, withered in flower. Inflorescence: scape stiff, straight, cylindric, minute-scabrous; bracts 2--4, not enclosing flower buds, scarious in flower; pedicels ray-like, ascending to erect, jointed; flowers 10--35+. Flower: perianth parts +- free at base, not forming obvious tube, golden-yellow, striped +- brown or green, lobes ascending to spreading; stamens 6, filaments +- 6 mm, parallel to style, dilated bases fused to form nectar cup with shallow to awned cusps, or leaning away from style, leaving dilated bases separated, not forming cup, distally thread-like, anthers attached near base; style +- 5 mm, thread- or club-like, persistent, stigma 3-lobed. Fruit: 5--6 mm, +- spheric, 3-angled, sessile. Seed: angled, wrinkled, black-crusted.
Species In Genus: 3 species: central and southern California, northern Baja California. Etymology: (Dr. H.G. Bloomer, early San Francisco botanist, one of three founders of the California Academy of Sciences)
Species: Bloomeria croceaView Description 

Leaf: generally 1, < 30 cm, 3--15 mm wide. Inflorescence: scape 15--70 cm; pedicels 0.5--6.5 cm. Flower: perianth 5--13 mm, lobes abruptly spreading at base, yellow with brown midvein; filaments 3--10 mm, parallel to style, nectar cup shallow, cusps obtuse to acute, anthers 1.5--3 mm; ovary 2--3 mm, style +- 6 mm, > ovary. Chromosomes: n=9.

Bloomeria crocea (Torr.) Coville var. crocea
Flower: perianth 5--12 mm, yellow-orange, with 2 dark parallel lines; nectar cup cusps < 1 mm.
Ecology: Dry flats, hillsides, chaparral, coastal-sage scrub, valley grassland, oak woodland; Elevation: < 1700 m. Bioregional Distribution: CW, SW; Distribution Outside California: northern Baja California. Flowering Time: Apr--Jun
Synonyms: Bloomeria gracilis Borzi
eFlora Treatment Author: J. Chris Pires
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botanical illustration including Bloomeria crocea var. crocea


Citation for this treatment: J. Chris Pires 2017. Bloomeria crocea var. crocea, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on October 23, 2017.

Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora,, accessed on October 23, 2017.

Bloomeria crocea var. crocea
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© 2009 Gary A. Monroe
Bloomeria crocea var. crocea
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© 2013 Gary A. Monroe
Bloomeria crocea var. crocea
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© 2011 Michael Charters
Bloomeria crocea var. crocea
click for enlargement
© 2010 Gary A. Monroe
Bloomeria crocea var. crocea
click for enlargement
© 2013 Gary A. Monroe
Bloomeria crocea var. crocea
click for enlargement
© 2010 Gary A. Monroe

More photos of Bloomeria crocea var. crocea in CalPhotos

Geographic subdivisions for Bloomeria crocea var. crocea:
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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.