Flora of North America species comparison

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Calochortus macrocarpus

Calochortus macrocarpus var. macrocarpus
Calochortus macrocarpus

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

sagebrush mariposa-lily
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.

thick in cross section.
Seeds

flat, inflated.

Petals

purple, with or without dark purple band distal to gland.
2n

= 14.

Calochortus macrocarpus

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

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
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. maculosus
Subordinate taxa
C. macrocarpus var. macrocarpus, C. macrocarpus var. maculosus
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
Synonyms Mariposa macrocarpa
Name authority Douglas: Trans. Hort. Soc. London 7: 276, plate 8. (1828) unknown
Source FNA vol. 26, p. 136. Treatment authors: P. L. Fiedler, R. K. Zebell. FNA vol. 26, p. 136. Treatment authors: P. L. Fiedler, R. K. Zebell.
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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