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Calochortus striatus
ALKALI MARIPOSA LILY

Higher Taxonomy
Family: LiliaceaeView DescriptionDichotomous Key

Common Name: LILY FAMILY
Habit: Perennial herb from membranous bulb or scaly rhizome. Stem: underground or erect, branched or not. Leaf: basal or cauline, alternate, subopposite, or whorled. Inflorescence: raceme, panicle, +- umbel-like or not. Flower: perianth parts 6 in 2 generally petal-like whorls, often showy; stamens 3 or 6, filaments free or +- fused to perianth, anthers attached at base or near middle; ovary superior or +- so, style 1, entire or 3-lobed. Fruit: capsule or berry. Seed: 3--many, flat or angled, brown to black.
Genera In Family: 16 genera, 635 species: northern temperate. Note: Users strongly encouraged to protect plants by working around need to see underground parts in using keys, e.g., by trying both leads in couplets solely dependent on such characters. Muscari botryoides (L.) Mill. an historical waif in California. Other TJM (1993) taxa moved to Agavaceae (Agave, Camassia, Chlorogalum, Hastingsia, Hesperocallis, Hesperoyucca, Leucocrinum, Yucca), Alliaceae (Allium, Ipheion, Nothoscordum), Amaryllidaceae (Amaryllis, Narcissus, Pancratium), Asparagaceae (Asparagus), Asphodelaceae (Aloe, Asphodelus, Kniphofia), Melanthiaceae (Pseudotrillium, Stenanthium, Toxicoscordion, Trillium, Veratrum, Xerophyllum), Nartheciaceae (Narthecium), Ruscaceae (Maianthemum, Nolina), Smilacaceae (Smilax), Tecophilaeaceae (Odontostomum), Themidaceae (Androstephium, Bloomeria, Brodiaea, Dichelostemma, Muilla, Triteleia), and Tofieldiaceae (Triantha). North American species of Disporum now in Prosartes.
eFlora Treatment Author: Dale W. McNeal, except as noted
Scientific Editor: Dale W. McNeal, Thomas J. Rosatti.
Genus: CalochortusView DescriptionDichotomous Key

Habit: Bulb coat generally membranous, occasionally fibrous. Stem: scapose or leafy, generally erect, generally branched, bulblets in axils of lower leaves or 0. Leaf: generally linear to lanceolate; basal leaf 1, persistent or not; cauline leaves 0--several, occasionally appearing basal, generally smaller upward, withering or not. Inflorescence: often +- umbel-like; flowers 2--many; bracts 0--several, generally opposite, often paired. Flower: perianth +- closed, spheric to oblong, or open, bell-shaped or +- rotate; sepals generally < petals, generally +- lanceolate (ovate), generally +- glabrous; petals generally widely wedge-shaped, occasionally clawed, generally hairy adaxially, nectary near base; stamens 6, filaments +- flat, often dilated at base, anthers generally attached at base or appearing so; style 1, stigmas 3. Fruit: capsule, septicidal; oblong or linear, generally 3-angled or -winged, chambers 3. Seed: many in 2 rows per chamber, flat, generally +- tan or +- yellow, translucent, or irregular dark brown, often net-like.
Species In Genus: +- 67 species: western North America, Central America; many cultivated. Etymology: (Greek: beautiful grass) Note: Bulbs of some eaten by Native Americans. Many taxa variable, difficult to key.
eFlora Treatment Author: Peggy L. Fiedler

Calochortus striatus Parish
NATIVE
Stem: 1--5 cm. Leaf: basal 10--20 cm, generally withering; cauline 1--2, 6--8 cm. Inflorescence: +- umbel-like; flowers 1--5, erect; bracts 1--3 cm, linear. Flower: perianth bell-shaped, base narrowed; sepals 10--20 mm, lanceolate; petals 20--30 mm, obovate to wedge-shaped, irregularly toothed above, white to lavender, purple-veined, sparsely hairy near nectary, nectary not depressed, oblong, densely simple-hairy; filaments 5--7 mm, +- dilated below, anthers 4--6 mm, oblong, lilac, purple. Fruit: erect, 4--5 cm, linear, angled. Seed: flat, light +- yellow or tan, net-like.
Ecology: Alkaline meadows, moist creosote-bush scrub; Elevation: 800--1400 m. Bioregional Distribution: s SNF, w DMoj; Distribution Outside California: western Nevada. Flowering Time: Apr--Jun Note: Threatened by grazing, urbanization.
eFlora Treatment Author: Peggy L. Fiedler
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

Previous taxon: Calochortus splendens
Next taxon: Calochortus superbus

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botanical illustration including Calochortus striatus

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Citation for this treatment: Peggy L. Fiedler 2016. Calochortus striatus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=16761, accessed on September 25, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on September 25, 2016.


Calochortus striatus
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© 2010 James M. Andre
Calochortus striatus
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© 2002 Gary A. Monroe
Calochortus striatus
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© 2013 Neal Kramer
Calochortus striatus
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© 2000 California Academy of Sciences
Calochortus striatus
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© 2005 Thomas M. Elder, M.D.
Calochortus striatus
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© 2005 Thomas M. Elder, M.D.

More photos of Calochortus striatus in CalPhotos


Geographic subdivisions for Calochortus striatus:
s SNF, w DMoj;
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.
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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.