Flora of North America species comparison

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Calochortus nudus

Calochortus monophyllus

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

yellow cat's ear, yellow star-tulip
Stems

usually not branching, 1–3 dm.

slender, branching or not, 0.8–2 dm.
Leaves

basal persistent, 0.5–2 dm;

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

basal persistent, 1–3 dm;

blade linear, flat.
Inflorescences

1–several-flowered.

1–6-flowered.
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 at anthesis;

perianth open, campanulate;

sepals oblong-lanceolate, 16–20 mm, glabrous, apex acuminate;

petals deep yellow, often with red-brown blotch distal to base, narrowly obovate, 12–20 mm, ciliate, adaxial surface densely branching-hairy;

glands bordered proximally by ciliate membrane, distally by short hairs;

anthers short-tipped.
Capsules

erect, 3-winged, 1–2 cm.

nodding, winged, oblong, 1–2 cm.
Seeds

light brown, irregular.

dark brown, irregular.
2n

= 20.

= 20.

Calochortus nudus

Calochortus monophyllus
Phenology Flowering late spring–mid summer. Flowering spring.
Habitat Moist grassy areas, meadows, lake and bog margins Wooded slopes, clay-loam soils
Elevation 1200–2500 m (3900–8200 ft) 400–1200 m (1300–3900 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
Discussion

Calochortus nudus hybridizes with C. minimus.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 26, p. 128. 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. 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. 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 Cyclobothra monophylla
Name authority S. Watson: Proc. Amer. Acad. Arts 14: 263. (1879) (Lindley) Lemaire: Fl. Serres Jard. Eur. 5: 430b. (1849)
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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