Triteleia montana
Triteleia grandiflora
mountain triteleia, Sierra triteleia, slender triplet lily
blue umber-lily, blue-lily, Douglas' brodiaea, Howell's triteleia, large-flower triteleia, large-flower tritelia, wild hyacinth
10–30 cm × 2–5 mm.
20–70 cm × 4–10 mm.
5–20(–25) cm, ± scabrous.
20–75 cm, smooth.
perianth yellow, aging purple, 12–17 mm, tube slender, narrowly funnelform, attenuate at base, 4–7 mm, lobes somewhat spreading, with brown midvein, 8–10 mm, ca. twice as long as tube;
stamens attached at 1 level, equal;
filaments linear, 5–6 mm, more than 1/2 as long as perianth lobes, apical appendages absent;
anthers cream or blue, 1–1.5 mm;
ovary equal to stipe;
pedicel 0.5–3 cm.
perianth bluish purple to white, 17–35 mm, tube obtuse and rounded at base, 8–20 mm, lobes spreading, 9–13 mm;
stamens attached alternately at 2 levels, unequal;
filaments slender and somewhat triangular, wider toward base, or broad, 1–4 mm, apical appendages absent or present;
anthers yellow or purple, 2–4 mm;
ovary twice as long as stipe;
pedicel 1–4 cm.
= 16.
= 16, 24, 32, 40, 48, 56.
Triteleia montana
Triteleia grandiflora
Locally rather plentiful, Triteleia montana appears to have a disjunct distribution in the Sierra Nevada range north and south from Yosemite, though future collections may bridge the gap between the distributions currently indicated. Molecular data suggest that it is related to T. lemmoniae of Arizona (J. C. Pires 2000).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Triteleia grandiflora is the type species of the genus and, along with T. hyacinthina, is its most widely distributed member. Found throughout the region between the Cascade Range and the northern Rocky Mountains, in sagebrush steppe and adjacent woodlands, it is easily recognized by the shape of the perianth, which is rounded at the base instead of tapered as in other Triteleia species.
M. E. Barkworth (1975, 1977) studied variation within Triteleia grandiflora in relation to ploidy level. Polyploid plants are larger, flower later, and have more effective vegetative reproduction by cormlets and contractile roots than their diploid progenitors.
Plants of Triteleia grandiflora from the area west of the Cascade Range and extending into the Columbia River valley and the Klamath Lake region that have been distinguished as var. howellii differ from others of the species only in the shape of the filaments. L. Abrams and R. S. Ferris (1923–1960, vol. 1) used relative perianth length as a key character, but this is not consistent (R. F. Hoover 1941), and several specimens from the part of the Columbia River valley where both filament morphologies occur appear to represent intergrades (R. F. Hoover 1955). Thus it seems inadvisable to recognize infraspecific taxa. Plants assignable to var. howellii have not been found in California or southwestern Oregon in recent decades, and may be extirpated there.
Triteleia bicolor is merely a color form having a perianth with a blue tube and white lobe.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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