Jepson eFlora: Taxon page
Vascular Plants of California
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Muilla transmontana

Higher Taxonomy
Family: ThemidaceaeView DescriptionDichotomous Key
Habit: Perennial herb from corm, outer coat fibrous [membranous]; daughter corms formed at stem base above corm of previous year, cormlets formed at base of corms or on short stolons. 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: 13 genera, 70--80 species: western North America.
eFlora Treatment Author: J. Chris Pires & Robert E. Preston, except as noted
Scientific Editor: Dale W. McNeal, Thomas J. Rosatti, Bruce G. Baldwin.
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.
Etymology: (Anagram of Allium, from superficial resemblance) Note: Muilla clevelandii moved to Bloomeria.
eFlora Treatment Author: J. Chris Pires
Reference: Shevock 1984 Aliso 10:621--627
Unabridged Reference: Ingram 1953 Madroño 12:19--27; Lenz 1975 Aliso 8:259--262
Muilla transmontana Greene
Leaf: 3--5, 5--30 cm. Inflorescence: scape 15--50 cm; pedicels 10--30 mm; flowers 12--30. Flower: perianth lobes 5--8 mm, white often tinged lilac; stamens 4--6 mm, filaments erect, dilated, fused at base, forming nectar cup, anthers yellow. Fruit: 8--10 mm. Chromosomes: n=10.
Ecology: High desert scrub, conifer woodland; Elevation: 1400--2500 m. Bioregional Distribution: GB; Distribution Outside California: western Nevada. Flowering Time: May--Jul
Synonyms: Bloomeria transmontana (Greene) J.F. Macbr.
Jepson eFlora Author: J. Chris Pires
Reference: Shevock 1984 Aliso 10:621--627
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Citation for this treatment: J. Chris Pires 2012, Muilla transmontana, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on July 14, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora,, accessed on July 14, 2024.

Muilla transmontana
click for image enlargement
©2008 Steve Matson
Muilla transmontana
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©2010 Aaron Schusteff
Muilla transmontana
click for image enlargement
©2008 Steve Matson
Muilla transmontana
click for image enlargement
©2010 Aaron Schusteff
Muilla transmontana
click for image enlargement
©2008 Steve Matson

More photos of Muilla transmontana
in CalPhotos

Geographic subdivisions for Muilla transmontana:
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2. County and Jepson Region polygons can be turned off and on using the check boxes.
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 occurrence).


Data provided by the participants of the  Consortium of California Herbaria.

View all CCH records
All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.

CCH collections by month Flowering-Fruiting Monthly Counts

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).