Flora of North America species comparison

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Calochortus umpquaensis

Calochortus indecorus
Calochortus umpquaensis

Umpqua mariposa-lily

sexton mountain mariposa lily
Stems

not branching, straight, often scapelike, 2–3 dm, glabrous or glaucous.

stout, not branching, 16–22 cm, not bearing bulblets.
Leaves

basal solitary, clasping;

blade narrowly lanceolate, hairy, adaxially hispid, abaxially glabrous, sometimes glaucous. Inflorescences 1–several-flowered;

bracts 2, suboppo-site, narrowly lanceolate.

basal 2–25 dm × 8–12 mm;

cauline usually present.
Inflorescences

2–6-flowered.
Flowers

erect;

perianth open, campanulate;

sepals lanceolate-acuminate, ca. 2 cm;

petals white to cream, with dark purple-black, pentagonal to lunate blotch, broadly oblong to obovate, 3.5 cm, bearded, adaxial surface typically minutely papillose, margins erose;

glands transversely oblong-lunate, slightly depressed, with 0.7–1.4 mm-wide band of short dendritic hairs distally, hairs surrounded by lime-green coloration and purple striations;

anthers lanceolate, apex acuminate.

± erect;

perianth open, campanulate;

sepals broadly lanceolate, somewhat shorter than petals;

petals bright lavender, broadly obovate, adaxial surface glabrous or with short, purple hairs distal to gland, apex margins erose;

glands slightly depressed, surrounded proximally by minutely denticulate membrane;

filaments longer than anthers;

anthers oblong, apex acute to obtuse.
Capsules

nodding, 3–5.4 cm.

nodding, narrowly 3-winged, ovoid, 1.5–2 cm.
Seeds

2.8–3.5 mm, with inflated bulbous crest and hollow lateral ridge.

unknown.
2n

= 20.

Calochortus umpquaensis

Calochortus indecorus
Phenology Flowering late spring–mid summer. Flowering late spring.
Habitat Grassland-forest ecotones in serpentine-derived soils
Elevation 300–500 m (1000–1600 ft)
Distribution
from FNA
OR
[WildflowerSearch map]
[BONAP county map]
from FNA
OR
[BONAP county map]
Discussion

Of conservation concern.

Calochortus umpquaensis is known only from Watson and Ace Williams mountains on both sides of the Little River, Douglas County.

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

Calochortus indecorus was collected from the western slope of Sexton Mountain, northeastern Josephine County. Endemic to that area, the taxon is now presumed extinct.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 26, p. 130. FNA vol. 26, p. 127.
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. tiburonensis, C. tolmiei, C. umbellatus, 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. 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
Name authority Fredricks: Syst. Bot. 14: 12, figs. 1, 2, 3f–j, 4, 5. (1989) Ownbey & M. Peck: Leafl. W. Bot. 7: 191. (1954)
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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