Flora of North America species comparison

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Calochortus monanthus

Calochortus catalinae

Shasta River mariposa lily, single-flower mariposa-lily

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

not branching, straight.

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

basal withering;

blade linear-attenuate.

basal withering, 1–3 dm;

blade linear.
Inflorescences

1-flowered, long-peduncled;

bracts opposite.

1–few-flowered;

bracts opposite pedicel, 2–10 cm.
Flowers

erect;

perianth open, turbinate to campanulate;

sepals lanceolate, attenuate, ca. 4 cm;

petals pinkish, with chevron-shaped, dark red blotch distal to gland, obovate, cuneate, rounded, ca. 5 cm, with few flexible hairs near gland, margins irregularly dentate distally;

glands oblong, not depressed, densely covered with slender, unbranched hairs;

filaments lanceolate-linear, shorter than anthers;

anthers short-tipped.

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, linear, angled.

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

unknown.

light yellow, translucent, flat.
2n

= 14.

Calochortus monanthus

Calochortus catalinae
Phenology Flowering late spring–mid summer. Flowering spring–early summer.
Habitat Vernal meadows Heavy soil, open grassy slopes, openings in brush
Elevation 800 m (2600 ft) less than 700 m (less than 2300 ft)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Calochortus monanthus is known only from a single collection from meadow along the Shasta River, near Yreka, Siskiyou County, by E. L. Greene in June, 1876. It is presumed extinct.

(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.)
Source FNA vol. 26, p. 133. 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. macrocarpus, C. minimus, 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
Synonyms Mariposa catalinae
Name authority Ownbey: Ann. Missouri Bot. Gard. 27: 465, plate 39, figs. 3, 4. (1940) 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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