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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: 20–40 cm, 4–25 mm wide. Inflorescence: scape 10–70 cm, smooth or scabrous; pedicels 10–100 mm. Flower: perianth 18–47 mm, blue, blue-purple, or white, tube 12–25 mm, tapered at base, lobes 8–20 mm, gradually spreading; stamens attached alternately at 2 levels, ± equal, filaments 3–6 mm, linear, anthers 2–5 mm, white to ± blue; ovary 1/3–1/2 stalk.
n=8,9,14,15,16,21,24. Common. Open forest, conifer or foothill woodland, grassland on clay soil; < 1500 m. Northwestern California, Cascade Range, Sierra Nevada, Central Western California, Transverse Ranges; southwestern Oregon. Highly variable; more study needed. Apr–Jun [Online Interchange]
Previous taxon: Triteleia ixioides subsp. unifolia
Next taxon: Triteleia lilacina
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Aug 3 2015
Citation for this treatment: [Author of taxon treatment] 2013. Triteleia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=47359, accessed on Aug 3 2015
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© 2005 lara hartley
|Geographic subdivisions indicated for the distribution of Triteleia laxa|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
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