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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Next taxon: Muilla maritima

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botanical illustration including Muilla coronata


Citation for this treatment: J. Chris Pires 2017. Muilla coronata, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on October 21, 2017.

Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora,, accessed on October 21, 2017.

Muilla coronata
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© 2009 Steve Matson
Muilla coronata
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© 2015 Steve Matson
Muilla coronata
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© 2017 Steve Matson
Muilla coronata
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© 2017 Steve Matson
Muilla coronata
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© 2003 Larry Blakely
Muilla coronata
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© 2008 Neal Kramer

More photos of Muilla coronata in CalPhotos

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

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.