Flora of North America species comparison

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Calochortus nudus

Calochortus monanthus

naked mariposa lily, naked star tulip, Shasta star-tulip

Shasta River mariposa lily, single-flower mariposa-lily
Habit Plants bulbose; bulb coat membranous.
Stems

usually not branching, 1–3 dm.

not branching, straight.
Leaves

basal persistent, 0.5–2 dm;

blade lanceolate, tapering at base, flat, glabrous adaxially.

basal withering;

blade linear-attenuate.
Inflorescences

1–several-flowered.

1-flowered, long-peduncled;

bracts opposite.
Flowers

erect;

perianth open, campanulate;

sepals lanceolate, 10–12 mm, glabrous, apex acuminate;

petals pale lavender, widely obovate, 14–16 mm, adaxial surface ± glabrous, not ciliate;

glands not deeply depressed, bordered proximally by wide, ciliate membranes;

anthers linear-oblong, apex obtuse or acute.

erect;

perianth open, turbinate to campanulate;

sepals lanceolate, attenuate, ca. 4 cm;

petals pinkish, with chevron-shaped, dark red blotch distal to gland, obovate, cuneate, rounded, ca. 5 cm, with few flexible hairs near gland, margins irregularly dentate distally;

glands oblong, not depressed, densely covered with slender, unbranched hairs;

filaments lanceolate-linear, shorter than anthers;

anthers short-tipped.
Capsules

erect, 3-winged, 1–2 cm.

erect, linear, angled.
Seeds

light brown, irregular.

unknown.
2n

= 20.

Calochortus nudus

Calochortus monanthus
Phenology Flowering late spring–mid summer. Flowering late spring–mid summer.
Habitat Moist grassy areas, meadows, lake and bog margins Vernal meadows
Elevation 1200–2500 m (3900–8200 ft) 800 m (2600 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Calochortus nudus hybridizes with C. minimus.

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

Calochortus monanthus is known only from a single collection from meadow along the Shasta River, near Yreka, Siskiyou County, by E. L. Greene in June, 1876. It is presumed extinct.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 26, p. 128. FNA vol. 26, p. 133.
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. 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. 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
Synonyms C. nudus var. shastensis, C. shastensis
Name authority S. Watson: Proc. Amer. Acad. Arts 14: 263. (1879) Ownbey: Ann. Missouri Bot. Gard. 27: 465, plate 39, figs. 3, 4. (1940)
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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