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Perennial herb from corm, outer coat fibrous [membranous]. Leaf: basal, 1–10, linear to narrow-lanceolate. Inflorescence: scapose, generally umbel-like; scape erect, generally 1(2), cylindric, generally rigid, occasionally wavy to twining; flower bracts 2–4, not enclosing flower buds. Flower: perianth parts 6 in 2 petal-like whorls, free or ± fused below into tube; staminodes 0 or 3; stamens 3 or 6, free or fused to perianth, occasionally appendaged; ovary superior, chambers 3, ovules 2–several per chamber. Fruit: capsule, loculicidal.
10–11 genera, 60–70 species: western North America. [Pires & Sytsma 2002 Amer J Bot 89:1342–1359] —Scientific Editors: Dale W. McNeal, Thomas J. Rosatti.
Key to Themidaceae
Corm spheric, tan; daughter corms sessile. Leaf: 1–3, generally narrow-lanceolate, keeled, glabrous, entire, often withered at flower. Inflorescence: umbel-like, open; bracts ± lanceolate, ± scarious; pedicels ± erect, generally > perianth; flowers generally many. Flower: perianth tube generally funnel-shaped, lobes generally ascending to spreading; stamens 6, attached to perianth tube at 1 level or alternately at 2 levels, equal or short alternating with long, filaments free, appendages forming crown or generally 0, anthers attached at middle, generally angled away from stigma; ovary stalked, style 1, stigma ± 3-lobed. Fruit: generally stalked, ovoid. Seed: ± spheric, black-crusted.Key to Triteleia
15 species: western North America, especially northern and central California. (Greek: 3 complete, for flower parts in 3s)
Unabridged references: [Hoover 1941 Amer Midl Naturalist 25:73–100]
Leaf: 1–2, 10–50 cm, 3–15 mm wide, linear. Inflorescence: scape 10–80 cm, generally smooth (scabrous near base); pedicels 10–90(120) mm, upcurved. Flower: perianth 12–27 mm, straw-colored or gold-yellow striped dark (white flushed purple), tube 3–10 mm, acute at base, lobes 6–20 mm, ascending to reflexed, midvein green, brown, or purple; stamens close to pistil, attached at 1 level, unequal, filaments flat, tip appendages forked, pointed, anthers 1–2 mm, white, cream, yellow, or blue; ovary > stalk. [Online Interchange]
Leaf: 1, 10–20 cm. Inflorescence: scape 10–30 cm, smooth or ± scabrous; pedicels 10–40 mm. Flower: perianth pale yellow, tube 5–7 mm, lobes 9–12 mm, spreading; filaments 2–4 mm and 3–5 mm, tip appendages short, straight or incurved, anthers cream or yellow.
n=7,8. Conifer forest, clay, granite soils; 600–2000 m. Cascade Range, n&c Sierra Nevada; southwestern Oregon. May–Jul [Online Interchange]
Previous taxon: Triteleia ixioides subsp. scabra
Next taxon: Triteleia laxa
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 8 2014
Citation for this treatment: [Author of taxon treatment] 2012. Triteleia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=53296, accessed on Mar 8 2014
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