Flora of North America species comparison

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Calochortus macrocarpus

Calochortus albus
Calochortus macrocarpus

green-banded star-tulip, sagebrush mariposa-lily

fairy-lantern, white fairy-lantern, white globe-lily
Habit Plants usually bulbose; bulb coat membranous.
Stems

usually not branching, stout, 2–5 dm.

usually branching, 20–80 cm.
Leaves

basal withering, 0.5–1 dm;

blade linear.

basal persistent, 3–7 dm;

blade linear, flat.
Inflorescences

subumbellate, 1–3-flowered;

bracts 3–5 cm.

2–many-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.

nodding;

perianth ± closed at apex, ± oblong;

sepals appressed to petals, ovate to lanceolate, 10–15 mm, glabrous, apex acuminate;

petals usually white to pink, ± elliptic, 20–25 mm, sparsely ciliate, hairs distal to gland slender;

glands ± depressed, proximal ciliate membrane 1/3–2/3 petal width;

filaments equaling anthers;

anthers oblong, apex obtuse or acute.
Capsules

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

nodding, winged, oblong, 2–4 cm, apex obtuse or acute.
Seeds

flat, inflated.

dark brown, irregular.
2n

= 14.

= 20.

Calochortus macrocarpus

Calochortus albus
Phenology Flowering mid spring–mid summer.
Habitat Shaded places in open woods and brush
Elevation 0–2000 m (0–6600 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. 123.
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. 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. 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 Cyclobothra alba, C. albus var. rubellus
Name authority Douglas: Trans. Hort. Soc. London 7: 276, plate 8. (1828) (Bentham) Douglas ex Bentham: Botanist 2: no. 98. (1838)
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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