Flora of North America species comparison

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Calochortus minimus

Calochortus umbellatus

Sierra mariposa, Sierra mariposa lily

Oakland mariposa lily, Oakland star-tulip
Stems

not branching, less than 1 dm.

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

basal persistent, 1–2 dm;

blade linear, flat;

cauline usually absent.

basal persistent, 2–4 dm;

blade lanceolate, flat;

cauline usually present.
Inflorescences

1–10-flowered.

subumbellate, 3–12-flowered.
Flowers

± erect;

perianth open, campanulate;

sepals lanceolate, 8–10 mm, glabrous, apex acuminate;

petals white, obovate, 10–14 mm, not ciliate, adaxial surface glabrous or sometimes with few hairs near gland;

glands bordered proximally by ± ciliate membrane;

filaments equaling anthers;

anthers linear-oblong, apex acute.

± 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.
Capsules

nodding, 3-winged, ellipsoid, 1–2 cm.

nodding, 3-winged, 1–2 cm.
Seeds

irregular.

dark brown, irregular.
2n

= 20.

= 20.

Calochortus minimus

Calochortus umbellatus
Phenology Flowering late spring–mid summer. Flowering early spring–early summer.
Habitat Moist grassy areas in open woods, along lake margins Openings in chaparral or woods, often on serpentine
Elevation 1200–3000 m (3900–9800 ft) 100–700 m (300–2300 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Derivatives of hybridization between Calochortus minimus and C. nudus (pink- to lavender-tinged petals with rounded tips) occur in the northern high Sierra Nevada (B. D. Ness et al. 1990).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

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. 128. FNA vol. 26, p. 127.
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. 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
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
Name authority Ownbey: Ann. Missouri Bot. Gard. 27: 430. (1940) Alph. Wood: Proc. Acad. Nat. Sci. Philadelphia 20: 168. (1868)
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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