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Calochortus pulchellus
MOUNT DIABLO FAIRY-LANTERN

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 pulchellus (Benth.) Alph. Wood
NATIVE
Habit: Herbage green. Stem: erect, 10--30 cm, stout. Leaf: basal 10--40 cm, persistent; cauline 2--3, generally reduced upward. Inflorescence: flowers 1--many, nodding. Flower: perianth spheric, closed at tip; sepals 20--30 mm, lanceolate to lance-ovate; petals 25--33 mm, narrowly ovate, light yellow, ciliate with thick hairs, sparsely hairy, nectary deep, bordered above by slender hairs; filaments 6--8 mm, dilated at base, anthers 3--5 mm, oblong, mucronate, yellow. Fruit: nodding, 20--30 mm, winged. Seed: irregular, dark brown. Chromosomes: 2n=20.
Ecology: Wooded slopes, rarely chaparral, generally northern aspect; Elevation: 200--800 m. Bioregional Distribution: ne SnFrB (Mount Diablo, Contra Costa Co.). Flowering Time: Apr--Jun Note: Hybrids with Calochortus umbellatus rare.
eFlora Treatment Author: Peggy L. Fiedler
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

Previous taxon: Calochortus plummerae
Next taxon: Calochortus raichei

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botanical illustration including Calochortus pulchellus

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Citation for this treatment: Peggy L. Fiedler 2016. Calochortus pulchellus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=16755, accessed on May 02, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 02, 2016.


Calochortus pulchellus
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© 2008 Gary A. Monroe
Calochortus pulchellus
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© 2011 Neal Kramer
Calochortus pulchellus
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© 2011 Neal Kramer
Calochortus pulchellus
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© 2004 Aaron Schusteff
Calochortus pulchellus
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© 2004 Aaron Schusteff
Calochortus pulchellus
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© 2012 Barry Breckling

More photos of Calochortus pulchellus in CalPhotos


Geographic subdivisions for Calochortus pulchellus:
ne SnFrB (Mount Diablo, Contra Costa Co.).
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.
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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.