Flora of North America species comparison

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Calochortus excavatus

Inyo County star-tulip
Stems

slender, not branching, 1–3 dm.
Leaves

basal usually persistent, 1–2 dm;

blade linear.
Inflorescences

subumbellate, 1–4-flowered;

bracts paired, 3–8 cm.
Flowers

erect;

perianth open, campanulate;

sepals lanceolate, 2–3 cm, apex acuminate;

petals lavender, with longitudinal median abaxial green stripe, with or without blotches, broadly cuneate to obovate, 3–4 cm, with a few short hairs near gland;

glands round, depressed, surrounded by conspicuously fringed membrane, densely covered with short, distally branching hairs;

filaments 6–8 mm;

anthers red-brown, oblong, 7–10 mm, apex obtuse.
Capsules

erect, brown, lanceoloid-linear, 3-angled, 2–3 cm.
Seeds

light beige, translucent, flat.

Calochortus excavatus
Phenology Flowering spring.
Habitat Grassy meadows in shadscale scrub
Elevation 1200–2000 m (3900–6600 ft)
Distribution
from FNA
CA
[BONAP county map]
Discussion

Calochortus excavatus is found only in the eastern Sierra Nevada in Mono and Inyo counties. It is threatened by groundwater depletion.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 26, p. 137.
Parent taxa 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. 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 Greene: Pittonia 2: 71. (1890)
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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