Flora of North America species comparison

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Calochortus macrocarpus

Calochortus macrocarpus var. maculosus
Calochortus macrocarpus

green-banded star-tulip, sagebrush mariposa-lily
Photo is of parent taxon

lewiston mariposa lily, Nez Perce mariposa lily, sagebrush mariposa
Habit Plants usually bulbose; bulb coat membranous.
Stems

usually not branching, stout, 2–5 dm.

Leaves

basal withering, 0.5–1 dm;

blade linear.

Inflorescences

subumbellate, 1–3-flowered;

bracts 3–5 cm.

Flowers

erect;

perianth open, campanulate;

sepals lanceolate, 4–5 cm, apex acuminate;

petals purple, with median green stripe on abaxial surface, obovate, 4–6 cm, bearded distal to gland, apex acuminate;

glands triangular-sagittate, slightly depressed, densely covered with slender hairs;

filaments 8–9 mm;

anthers lanceolate-linear, ca. 1 cm, apex obtuse.

Capsules

erect, lanceoloid-linear, angled, 4–5 cm, apex acuminate.

narrow in cross section.
Seeds

flat, inflated.

Petals

white or nearly so, with conspicuous reddish purple crescent distal to gland.
2n

= 14.

Calochortus macrocarpus

Calochortus macrocarpus var. maculosus
Phenology Flowering late spring–mid summer.
Habitat Dry plains, rocky slopes, sagebrush scrub, pine forests, usually in volcanic soil
Elevation 300–2700 m (1000–8900 ft)
Distribution
from USDA
w North America
[WildflowerSearch map]
[BONAP county map]
from FNA
ID; OR; WA
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Of conservation concern.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Petals purple, with or without dark purple band distal to gland.
var. macrocarpus
1. Petals white, with reddish purple crescent distal to gland.
var. maculosus
Source FNA vol. 26, p. 136. FNA vol. 26.
Parent taxa Liliaceae > Calochortus Liliaceae > Calochortus > Calochortus macrocarpus
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. 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. macrocarpus var. macrocarpus
Subordinate taxa
C. macrocarpus var. macrocarpus, C. macrocarpus var. maculosus
Synonyms Mariposa macrocarpa C. maculosus
Name authority Douglas: Trans. Hort. Soc. London 7: 276, plate 8. (1828) (A. Nelson & J. F. Macbride) A. Nelson & J. F. Macbride: Contr. Gray Herb. 56: 14. (1918)
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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