TREATMENT FROM THE JEPSON MANUAL (1993) |
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Jepson Interchange (more information) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
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.
Perennial; rhizomes short, spreading
Stem erect, ± scapose
Leaves mostly basal, linear, grass-like, ± 2-ranked; cauline leaves 23, on lower 1/3 of stem, sheathing
Inflorescence: raceme, terminal, short
Flower small; perianth parts 6, petal-like, white to greenish or yellowish; stamens 6; ovary superior, 3-lobed at tip, chambers 3, styles 3
Fruit: capsule, 3-beaked from persistent styles, septicidal
Seeds many; coat often ± loose
Species in genus: ± 15 species: n temp, w South America
Etymology: (Thomas Tofield, British botanist, 17301799)
Native |
Stem 3080 cm, ± glabrous below, densely glandular above
Leaf 520 cm, 38 mm wide
Inflorescence 13 cm (7 cm in fruit), ± head-like; pedicels 16 mm, tipped with 3 free to ± fused bracts
Flower 36 mm; perianth parts oblong-ovate, inner narrower and > outer; stamens ± = perianth
Fruit 59 mm
Seed 0.51.5 mm, brown; coat white, spongy, appendaged at 1 end
Chromosomes: n=15
Ecology: Wet meadows, bogs
Elevation: < 3100 m.
Bioregional distribution: Northwestern California, High Cascade Range, High Sierra Nevada
Distribution outside California: sw Oregon
Other subspp. OR to AK, w Can. T. glutinosa Pers. distinct (Can, e North America)
Recent taxonomic note: Triantha occidentalis (S. Watson) R. R. Gates subsp. occidentalis
Horticultural information: WET: 4, 6, 17 &SHD: 1, 2, 15, 16; DFCLT.