Flora of North America species comparison

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Calochortus bruneaunis

Calochortus excavatus
Calochortus bruneaunis

Bruneau mariposa lily, pinyon mariposa

Inyo County star-tulip
Habit Plants usually bulbose; bulb coat, when present, membranous.
Stems

usually not branching or twisted, 1–4 dm.

slender, not branching, 1–3 dm.
Leaves

basal withering, 1–2 dm;

blade linear.

basal usually persistent, 1–2 dm;

blade linear.
Inflorescences

1–4-flowered;

bracts 2–4 cm.

subumbellate, 1–4-flowered;

bracts paired, 3–8 cm.
Flower(s)

erect;

perianth open, campanulate;

sepals with dark red or purple blotch near base, lanceolate, 1–4 cm, usually glabrous, apex acuminate;

petals white tinged with lilac, with longitudinal median green stripe on abaxial surface and dark red or purple crescent distal to gland, narrowly obovate, 2–4 cm, ± glabrous;

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

filaments 5–6 mm;

anthers yellow, blue, or maroon, oblong, 5–7 mm, apex obtuse.

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, linear-lanceoloid, angled, 3–7 cm, apex acuminate.

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

yellow, flat.

light beige, translucent, flat.
2n

= 14.

Calochortus bruneaunis

Calochortus excavatus
Phenology Flowering late spring–summer. Flowering spring.
Habitat Dry brushy, grassy slopes, flats, pinyon-juniper woodlands Grassy meadows in shadscale scrub
Elevation 900–3000 m (3000–9800 ft) 1200–2000 m (3900–6600 ft)
Distribution
from FNA
CA; ID; MT; NV; OR; UT
[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. 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. 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. 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
Synonyms C. nuttallii var. bruneaunis
Name authority A. Nelson & J. F. Macbride: Bot. Gaz. 55: 372. (1913) 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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