Flora of North America species comparison

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Calochortus palmeri

Calochortus nuttallii

Palmer's mariposa lily, strangling mariposa

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

usually branching, straight, 3–6 dm; bearing bulblets or not.

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

basal withering, 1–2 dm;

blade linear-attenuate.

blade linear, becoming involute;

basal withering.
Inflorescences

mono-chasiate, 1–4-flowered;

bracts 1–2 cm.

subumbellate, 1–4-flowered;

bracts congested, unequal.
Flowers

erect;

perianth open, broadly campanulate;

sepals usually with brownish blotch near base, lanceolate, 3 cm, apex acuminate;

petals white to lavender, sometimes with brownish blotch distal to gland, obovate-cuneate, rounded distally, 2–3 cm, usually with yellow hairs near gland, apex acute to acuminate;

glands many, rounded, not depressed, short, thick, distally knobbed, sometimes with yellowish or purplish hairs, otherwise glabrous;

filaments 7–8 mm;

anthers white, oblong, 5–7 mm, apex acute.

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, angled in cross section, ca. 5 cm.

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

flat.
2n

= 14.

= 16.

Calochortus palmeri

Calochortus nuttallii
Phenology Flowering late spring–late summer.
Habitat Dry soils
Elevation 700–3300 m (2300–10800 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; CO; ID; MT; ND; NE; NM; NV; SD; UT; WY
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Petal glands yellow-hairy; stems bulbeliferous at base; bracts alternate.
var. palmeri
1. Petal glands glabrous or purple-hairy; stems not bulbeliferous; bracts opposite.
var. munzii
Source FNA vol. 26, p. 133. FNA vol. 26, p. 136.
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. 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. 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
Subordinate taxa
C. palmeri var. munzii, C. palmeri var. palmeri
Name authority S. Watson: Proc. Amer. Acad. Arts 14: 266. (1879) 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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