Jepson eFlora: Taxon page
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Ipheion uniflorum

Higher Taxonomy
Family: AlliaceaeView DescriptionDichotomous Key

Habit: Perennial herb; bulb 1 or on rhizomes, reforming each year; bulblets at bulb bases or on rhizomes; outer bulb coat brown, red-brown, yellow-brown, or gray; inner coats generally white (pink, red, or yellow); onion odor, taste present (except Nothoscordum). Stem: scapose, cylindric, sometimes flat or triangular. Leaf: basal, sheathing stem, linear [or not], cylindric, channeled or flat, generally +- withering from tip by flowering. Inflorescence: umbel (1-flowered in Ipheion), bracts generally 2, splitting and appearing 2+ or not, +- fused, enclosing flower buds, scarious. Flower: perianth parts 6 in 2 petal-like whorls, +- free to fused in lower 1/3--1/2; stamens 6, fused to perianth, filaments widened at base, anthers attached at middle; ovary superior, 3-lobed, chambers 3, ovules 2+ per chamber, style 1, stigma entire or +- 3-lobed. Fruit: capsule, loculicidal. Seed: black, sculpture net-like, smooth, or granular.
Genera In Family: 13 genera, 750--800 species: worldwide. Note: Many cultivated for food, ornamental.
eFlora Treatment Author: Dale W. McNeal
Scientific Editor: Thomas J. Rosatti.
Genus: IpheionView Description 

Common Name: STAR FLOWER
Habit: Perennial herb from deep, membrane-coated bulb, onion odor present. Leaf: several, basal, unkeeled. Inflorescence: scapose; flowers 1; bracts 2, fused at base. Flower: showy; perianth parts fused in lower 1/2, lobes spreading, +- equal; anthers attached at middle; style thread-like, stigma +- 3-lobed. Fruit: capsule.
Species In Genus: +- 6 species: southern South America. Etymology: (Greek: origin obscure)

Ipheion uniflorum (Graham) Raf.
Leaf: < 30 cm, +- flat, glaucous. Flower: perianth white or +- blue, lobes 15--20 mm; filaments attached at 2 levels.
Ecology: Uncommon. Disturbed places; Elevation: generally < 300 m. Bioregional Distribution: GV, SnFrB, SW; Distribution Outside California: native to Argentina. Flowering Time: Feb--Mar
Synonyms: Milla uniflora Graham; Brodiaea uniflora (Lindl.) Engl.; Triteleia uniflora Lindl.
eFlora Treatment Author: Dale W. McNeal
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Citation for this treatment: Dale W. McNeal 2016. Ipheion uniflorum, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 01, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 01, 2016.

Geographic subdivisions for Ipheion uniflorum:
GV, SnFrB, SW;
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.