Flora of North America species comparison

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Calochortus macrocarpus

Calochortus catalinae
Calochortus macrocarpus

green-banded star-tulip, sagebrush mariposa-lily

Catalina mariposa, Catalina mariposa-lily, Santa Catalina mariposa lily
Habit Plants usually bulbose; bulb coat membranous. Plants usually bulbose; bulb coat membranous.
Stems

usually not branching, stout, 2–5 dm.

usually branching distally, ± flexuous, 2–6 dm.
Leaves

basal withering, 0.5–1 dm;

blade linear.

basal withering, 1–3 dm;

blade linear.
Inflorescences

subumbellate, 1–3-flowered;

bracts 3–5 cm.

1–few-flowered;

bracts opposite pedicel, 2–10 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, broadly campanulate;

sepals with purple blotch near base, lanceolate, 2–3 cm, apex acuminate;

petals white tinged with lilac, with purple blotch near base, usually obovate, ± concave, 2–5 cm, glabrous except few hairs near base, apex obtuse;

glands oblong, not depressed, densely hairy, hairs branching;

filaments 8–10 mm;

anthers lilac, oblong, 4–5 mm.
Capsules

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

erect, narrow-oblong, rounded in cross section, 2–5 cm, apex obtuse.
Seeds

flat, inflated.

light yellow, translucent, flat.
2n

= 14.

= 14.

Calochortus macrocarpus

Calochortus catalinae
Phenology Flowering spring–early summer.
Habitat Heavy soil, open grassy slopes, openings in brush
Elevation less than 700 m [less than 2300 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.)

Calochortus catalinae is increasingly threatened by habitat loss.

(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. 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. 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 Mariposa catalinae
Name authority Douglas: Trans. Hort. Soc. London 7: 276, plate 8. (1828) S. Watson: Proc. Amer. Acad. Arts 14: 268. (1879)
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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