Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
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LILIACEAE

LILY FAMILY

Dale W. McNeal, except as specified

Perennial to trees, from membranous bulb, fibrous corm, scaly rhizome, or erect caudex
Stem generally underground
Leaves generally basal, often withering early, alternate, generally ± linear
Inflorescence various, generally bracted
Flower generally bisexual, generally radial; perianth often showy, segments generally 6 in two petal-like whorls (outer sometimes sepal-like), free or fused at base; stamens 6 (or 3 + generally 3 ± petal-like staminodes), filaments sometimes attached to perianth or fused into a tube or crown; ovary superior or inferior, chambers 3, placentas generally axile, style generally 1, stigmas generally 3
Fruit: generally capsule, loculicidal or septicidal (berry or nut)
Genera in family: ± 300 genera, 4600 species: especially ± dry temp and subtropical; many cultivated for ornamental or food; some TOXIC. Here includes genera sometimes treated in Agavaceae, Amaryllidaceae, and other families.

TRITELEIA

Glenn Keator

Perennial from spheric, tan, fibrous-coated corm; cormlets sessile
Leaves basal, 2–3, narrowly lanceolate, keeled, glabrous, entire, often withered at flower
Inflorescence umbel-like, open; axis 2–100 cm, stiff, erect, cylindric; bracts ± lanceolate, ± scarious; pedicels ± erect, generally > perianth; flowers generally many
Flower: perianth tube generally funnel-shaped, lobes 6 in 2 petal-like whorls, generally ascending to spreading; stamens 6, filaments appendages generally 0, anthers attached at middle, generally angled away from stigma; style 1, stigma weakly 3-lobed
Fruit: capsule, generally stalked, ovoid, loculicidal
Seeds subspheric, black
Species in genus: 14 species: w North America, especially n&c CA
Etymology: (Greek: three complete, because all flower parts in 3's)
Reference: [Hoover 1941 Amer Midl Naturalist 25:73–100]

Native

T. dudleyi Hoover


Leaf 10–30 cm, 4–8 mm wide
Inflorescence 10–30 cm, smooth; pedicels 15–35 mm, slender
Flower: perianth pale yellow, drying purplish, tube 8–12 mm, ± cylindric to narrowly funnel-shaped, lobes 10–12 mm; filaments attached at 1 level, unequal (2 or 3.5 mm), narrowly triangular, sometimes with blunt appendages, anthers 1 mm, lavender; ovary stalk = ovary
Chromosomes: n=8
Ecology: Subalpine forest
Elevation: 3000–3500 m.
Bioregional distribution: s High Sierra Nevada, Transverse Ranges
Synonyms: Brodiaea d. (Hoover) Munz

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