Flora of North America species comparison

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Calochortus macrocarpus

Calochortus persistens
Calochortus macrocarpus

green-banded star-tulip, sagebrush mariposa-lily
Calochortus persistens

Siskiyou mariposa-lily
Habit Plants usually bulbose; bulb coat membranous.
Stems

usually not branching, stout, 2–5 dm.

not branching, ca. 1 dm.
Leaves

basal withering, 0.5–1 dm;

blade linear.

basal persistent, ca. 2 dm;

blade lanceolate, tapering at base, flat.
Inflorescences

subumbellate, 1–3-flowered;

bracts 3–5 cm.

subumbellate, 2-flowered.
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 smaller than petals;

petals pink to light purplish, obovate, 35–40 mm, adaxial surface hairy only distal to gland, margins yellow-ciliate;

glands bordered proximally by wide, ciliate membrane, distally by short hairs;

anthers lanceolate, apex apiculate.
Capsules

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

nodding, winged, ellipsoid, ca. 1 cm, apex acute.
Seeds

flat, inflated.

irregular.
2n

= 14.

= 20.

Calochortus macrocarpus

Calochortus persistens
Phenology Flowering late spring–mid summer.
Habitat Open areas in rocky soils
Elevation 1000–1500 m (3300–4900 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.)

Of conservation concern.

Calochortus persistens is restricted to the Klamath and Cascade ranges in Siskiyou County.

(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. 131.
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. 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. palmeri, C. panamintensis, 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) Ownbey: Ann. Missouri Bot. Gard. 27: 448, plate 38, figs. 1, 2. (1940)
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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