Flora of North America species comparison

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Calochortus umbellatus

Calochortus amabilis

Oakland mariposa lily, Oakland star-tulip

Diogenes' lantern, golden fairy lantern
Stems

usually branching, 8–25 cm, not bearing bulblets.

usually branching distal to base, 1–5 dm, slightly glaucous.
Leaves

basal persistent, 2–4 dm;

blade lanceolate, flat;

cauline usually present.

basal persistent, 20–50 cm;

blade linear, flat, slightly glaucous.
Inflorescences

subumbellate, 3–12-flowered.

2–many-flowered.
Flowers

± erect;

perianth open, campanulate;

sepals 10–14 mm;

petals white to pale pink, usually with purple blotch near gland, widely obovate to cuneate, 12–18 mm, adaxial surface not ciliate, ± glabrous, margins irregularly dentate distally;

glands basally convex, covered by broad, ciliate membrane, bordered distally by short hairs;

filaments longer than anthers;

anthers oblong, apex acute or obtuse.

nodding;

perianth closed at apex, globular;

sepals spreading, ovate to lanceolate, 1.5–2 cm;

petals deep yellow, with brown abaxial blotch, widely lanceolate, 1.6–2 cm, densely ciliate throughout, adaxial surface glabrous or with a few hairs near gland;

glands deeply depressed, bordered distally by band of hairs;

filaments longer than anthers;

anthers oblong, apex obtuse or acute.
Capsules

nodding, 3-winged, 1–2 cm.

nodding, winged, oblong, 2–3 cm, apex obtuse or acute.
Seeds

dark brown, irregular.

dark brown, irregular.
2n

= 20.

= 20.

Calochortus umbellatus

Calochortus amabilis
Phenology Flowering early spring–early summer. Flowering mid spring–mid summer.
Habitat Openings in chaparral or woods, often on serpentine Shaded places in open woods or brush
Elevation 100–700 m (300–2300 ft) 100–1000 m (300–3300 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Calochortus umbellatus grows around San Francisco Bay. It is reported also from Lake County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 26, p. 127. FNA vol. 26, p. 124.
Parent taxa Liliaceae > Calochortus Liliaceae > Calochortus
Sibling taxa
C. albus, C. amabilis, C. ambiguus, C. amoenus, C. apiculatus, C. argillosus, C. aureus, C. bruneaunis, C. catalinae, C. clavatus, C. coeruleus, C. concolor, C. coxii, C. dunnii, C. elegans, C. eurycarpus, C. excavatus, C. flexuosus, C. greenei, C. gunnisonii, C. howellii, C. indecorus, C. invenustus, C. kennedyi, C. leichtlinii, C. longebarbatus, C. luteus, C. lyallii, C. macrocarpus, C. minimus, C. monanthus, C. monophyllus, C. nitidus, C. nudus, C. nuttallii, C. obispoensis, C. palmeri, C. panamintensis, C. persistens, C. plummerae, C. pulchellus, C. raichei, C. simulans, C. splendens, C. striatus, C. subalpinus, C. superbus, C. tiburonensis, C. tolmiei, C. umpquaensis, C. uniflorus, C. venustus, C. vestae, C. weedii, C. westonii
C. albus, C. ambiguus, C. amoenus, C. apiculatus, C. argillosus, C. aureus, C. bruneaunis, C. catalinae, C. clavatus, C. coeruleus, C. concolor, C. coxii, C. dunnii, C. elegans, C. eurycarpus, C. excavatus, C. flexuosus, C. greenei, C. gunnisonii, C. howellii, C. indecorus, C. invenustus, C. kennedyi, C. leichtlinii, C. longebarbatus, C. luteus, C. lyallii, C. macrocarpus, C. minimus, C. monanthus, C. monophyllus, C. nitidus, C. nudus, C. nuttallii, C. obispoensis, C. palmeri, C. panamintensis, C. persistens, C. plummerae, C. pulchellus, C. raichei, C. simulans, C. splendens, C. striatus, C. subalpinus, C. superbus, C. tiburonensis, C. tolmiei, C. umbellatus, C. umpquaensis, C. uniflorus, C. venustus, C. vestae, C. weedii, C. westonii
Name authority Alph. Wood: Proc. Acad. Nat. Sci. Philadelphia 20: 168. (1868) Purdy: Proc. Calif. Acad. Sci., ser. 3, 2: 119, plate 19, fig. 1. (1901)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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