Flora of North America species comparison

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Calochortus nuttallii

sego-lily
Habit Plants usually bulbose; bulb coat, when present, membranous.
Stems

usually not branching or twisted, straight, 1.5–4.5 dm.
Leaves

blade linear, becoming involute;

basal withering.
Inflorescences

subumbellate, 1–4-flowered;

bracts congested, unequal.
Flowers

erect;

perianth open, campanulate;

sepals marked similar to petals, usually shorter, lanceolate, glabrous, apex acuminate;

petals white, tinged with lilac or infrequently magenta, yellow at base, with reddish brown or purple band or blotch distal to gland, broadly obovate, cuneate, sparsely invested near gland with slender hairs, apex usually short-acuminate;

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

filaments ca. equaling anthers;

anthers yellowish or pinkish, oblong, apex obtuse.
Capsules

erect, linear-lanceoloid, 3-angled, apex acuminate.
Seeds

flat.
2n

= 16.

Calochortus nuttallii
Phenology Flowering late spring–late summer.
Habitat Dry soils
Elevation 700–3300 m (2300–10800 ft)
Distribution
from FNA
AZ; CO; ID; MT; ND; NE; NM; NV; SD; UT; WY
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 26, p. 136.
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. 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. 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 Torrey: in H. Stansbury, Exped. Great Salt Lake, 397. (1852)
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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