Jepson eFlora: Taxon page
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Muilla coronata

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: MuillaView DescriptionDichotomous Key

Leaf: 1--10, basal, linear. Inflorescence: scape 3--50 cm; bracts several, papery, acuminate; pedicels slender, not jointed, erect. Flower: perianth parts +- free at base, not forming obvious tube, lobes spreading, generally equal, lanceolate or oblong, white to green-white or +- blue; stamens 6, filaments thread-like to dilated, occasionally overlapped or fused but not forming cup, anthers attached at middle; style short, club-shaped, persistent, stigma 3-lobed. Fruit: +- spheric, 3-angled. Seed: irregularly angled, black.
Species In Genus: 3 species: southwestern United States, northern Mexico. Etymology: (Anagram of Allium, from superficial resemblance) Note: Muilla clevelandii moved to Bloomeria.

Muilla coronata Greene
Leaf: 1(2), 7--18 cm. Inflorescence: scape 3--5 cm; pedicels 10--30 mm; flowers 2--10. Flower: perianth lobes 3--6 mm, +- white or +- blue, midvein green abaxially; stamens 2--4 mm, filaments dilated throughout, free but with wide overlapped margins forming nectar tube with cylindric crown, anthers yellow. Fruit: 3--7 mm. Chromosomes: n=7.
Ecology: Open desert scrub, woodland; Elevation: 1000--1600 m. Bioregional Distribution: s SNH, SNE, DMoj, expected Teh; Distribution Outside California: western Nevada. Flowering Time: Mar--Apr
eFlora Treatment Author: J. Chris Pires
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

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botanical illustration including Muilla coronata


Citation for this treatment: J. Chris Pires 2016. Muilla coronata, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on April 29, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on April 29, 2016.

Muilla coronata
click for enlargement
© 2010 Aaron Schusteff
Muilla coronata
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© 2003 Larry Blakely
Muilla coronata
click for enlargement
© 2009 Steve Matson
Muilla coronata
click for enlargement
© 2003 Larry Blakely
Muilla coronata
click for enlargement
© 2009 Steve Matson
Muilla coronata
click for enlargement
© 2010 Steve Matson

More photos of Muilla coronata in CalPhotos

Geographic subdivisions for Muilla coronata:
s SNH, SNE, DMoj, expected Teh;
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.