Flora of North America species comparison

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Calochortus tolmiei

Calochortus excavatus
Calochortus tolmiei

hairy star tulip, pussy ears, Tolmie star-tulip, Tolmie's cat's ear, Tolmie's mariposa-lily

Inyo County star-tulip
Stems

± slender, usually branching, 1–4 dm.

slender, not branching, 1–3 dm.
Leaves

basal persistent, 1–4 dm;

blade lanceolate, tapering at base, flat;

cauline bractlike.

basal usually persistent, 1–2 dm;

blade linear.
Inflorescences

± umbellate, 1–several-flowered.

subumbellate, 1–4-flowered;

bracts paired, 3–8 cm.
Flowers

erect or spreading;

perianth open, campanulate;

sepals 10–15 mm;

petals white to pinkish or purplish, obovate, 12–25 mm, adaxial surface densely hairy, margins ciliate;

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

anthers lanceolate, apex acute to apiculate.

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

nodding, winged, oblong, 2–3 cm.

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

deep purple, dark brown in age, irregular.

light beige, translucent, flat.
2n

= 20.

Calochortus tolmiei

Calochortus excavatus
Phenology Flowering mid spring–mid summer. Flowering spring.
Habitat Open grassy slopes or in woods, often on poor, dry soil Grassy meadows in shadscale scrub
Elevation 0–2000 m (0–6600 ft) 1200–2000 m (3900–6600 ft)
Distribution
from FNA
CA; OR; WA
[WildflowerSearch map]
[BONAP county map]
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. 124. FNA vol. 26, p. 137.
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. 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. 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 Hooker & Arnott: Bot. Beechey Voy., 398. (1840) 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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