The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Tiburon mariposa-lily

doubting mariposa lily

Habit Plants often bulbose; bulb coat membranous.
Stems

usually branching, 1–6 dm.

usually branching, straight.

Leaves

basal persistent, 1–7 dm;

blade lanceolate, flat.

basal withering;

blade linear-attenuate.

Inflorescences

2–several-flowered.

subumbellate, 1–4-flowered.

Flowers

erect;

perianth open, campanulate;

petals light yellow-green, flecked and streaked purplish brown, oblanceolate, ciliate to near apex, hairy;

glands depressed, bordered proximally by ciliate membrane, distally by 2 or more rows of short hairs;

anthers short-tipped.

erect;

perianth pinkish or bluish gray, infrequently with longitudinal gray stripe, open, campanulate;

sepals invested near gland, with yellowish, distally enlarged or branching, gland-tipped hairs, base sometimes marked with dull purple, apex acuminate;

petals with median blotch usually surrounded by yellow zone, ± equaling sepals, base sometimes marked with dull purple;

glands round to lunate, depressed, surrounded with narrow, deeply fringed membrane, densely covered with short, distally branching hairs;

filaments shorter than anthers;

anthers oblong-lanceolate, apex obtuse to acute.

Capsules

erect, angled, apex acute.

erect, linear-oblong, 3-angled, apex acute.

Seeds

dark brown, irregular.

flat.

2n

= 20.

= 18.

Calochortus tiburonensis

Calochortus ambiguus

Phenology Flowering late spring–early summer. Flowering late spring–summer.
Habitat Serpentine grasslands Dry soils
Elevation 0–200 m (0–700 ft) 1100–2700 m (3600–8900 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM; UT
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Calochortus tiburonensis is known only from Ring Mountain, Marin County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 26, p. 131. FNA vol. 26.
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. 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. tolmiei, C. umbellatus, C. umpquaensis, C. uniflorus, C. venustus, C. vestae, C. weedii, C. westonii
C. albus, C. amabilis, 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
Synonyms C. watsonii var. ambiguus
Name authority A. J. Hill: Madroño 22: 100, fig. 1. (1973) (M. E. Jones) Ownbey: Ann. Missouri Bot. Gard. 27: 505. (1940)
Web links