Flora of North America species comparison

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Calochortus macrocarpus

Calochortus invenustus
Calochortus macrocarpus

green-banded star-tulip, sagebrush mariposa-lily

plain mariposa, plain mariposa lily
Habit Plants usually bulbose; bulb coat membranous. Plants usually bulbose; bulb coat, when present, membranous.
Stems

usually not branching, stout, 2–5 dm.

slender, usually not branching or twisted, 2–5 dm.
Leaves

basal withering, 0.5–1 dm;

blade linear.

basal withering, 1–2 dm;

blade linear.
Inflorescences

subumbellate, 1–3-flowered;

bracts 3–5 cm.

subumbellate, 1–5-flowered;

bracts 2–5 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.

erect;

perianth open, campanulate;

sepals lanceolate-ovate, 2–3 cm, apex acuminate;

petals white or dull lavender to purplish, with longitudinal median green stripe on adaxial surface and sometimes purplish blotch proximal to gland, cuneate to obovate, 2–4 cm, with a few short hairs near gland, apex obtuse to apiculate;

glands ± round, slightly depressed, small, surrounded by conspicuously fringed membrane, densely covered with short, distally branching hairs;

filaments 6–7 mm;

anthers purplish or yellowish, oblong, 7–8 mm, apex obtuse.
Capsules

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

erect, lanceoloid-linear, angled, 5–7 cm, apex acute.
Seeds

flat, inflated.

flat.
2n

= 14.

= 14.

Calochortus macrocarpus

Calochortus invenustus
Phenology Flowering late spring–late summer.
Habitat Dry soil, usually granitic, usually in montane coniferous forests
Elevation 1500–3000 m [4900–9800 ft]
Distribution
from USDA
w North America
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

(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, 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. 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. 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. 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
Subordinate taxa
C. macrocarpus var. macrocarpus, C. macrocarpus var. maculosus
Synonyms Mariposa macrocarpa
Name authority Douglas: Trans. Hort. Soc. London 7: 276, plate 8. (1828) 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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