Common Name: FALSE-ASPHODEL FAMILY Habit: Perennial herb, rhizomes short, spreading. Stem: erect, +- glabrous near base, dense-glandular-hairy above [or not]. Leaf: generally basal, +- 2-ranked, +- linear; cauline 0--3, on lower 1/3 of stem, sheathing. Inflorescence: terminal raceme, +- head- or spike-like, generally longer in fruit. Flower: perianth parts 6 in 2 petal-like whorls, white to +- green or +- yellow; stamens 6, filaments +- flat, glabrous, wider at base, anthers attached at base; ovary superior, stalked, 3-lobed, chambers 3, styles 3. Fruit: capsule [follicle], 3-beaked from persistent styles, septicidal below, loculicidal above. Seed: +- brown; coat white, loose, spongy, inflated; appendage generally at 1 end, rarely 0 or at both ends. Genera In Family: 3 genera, 18 species: southeastern United States, northwestern South America, northern temperate. Note:Tofieldia occidentalis moved to Triantha. eFlora Treatment Author: Dale W. McNeal Scientific Editor: Thomas J. Rosatti.
Stem: scapose, 30--80 cm. Inflorescence: axes +- glandular-hairy; flowers in clusters of 2--7, each cluster subtended by cluster of +- few bracts; bractlets 3, fused, appearing calyx-like. Flower: perianth parts in +- dissimilar whorls, free, persistent. Fruit: ovoid to wide-ellipsoid. Species In Genus: 4 species: North America, Japan. Etymology: (Greek: tri, 3 and anthos, flower, alluding to flowers aggregated in 3s) Reference: Packer 2003 FNANM 26:61--64 Unabridged Reference: Packer 1993 Novon 3:278--279
Triantha occidentalis (S. Watson) R.R. Gates subsp. occidentalis
NATIVE Leaf: 5--20 cm, 3--8 mm wide. Inflorescence: 1--3 cm (to 7 cm in fruit), +- spheric to ovoid-cylindric; pedicels 1--6 mm. Flower: perianth 3--6 mm, parts oblong-ovate, inner narrower, > outer; stamens +- = perianth; styles 1.3--3 mm. Fruit: 5--9 mm. Seed: generally 1, 0.5--1.5 mm, 1--3 × longer than wide, red-brown; appendages (0)1(2). Chromosomes: 2n=30. Ecology: Wet meadows, bogs; Elevation: < 3100 m. Bioregional Distribution: NW, CaR, SNH; Distribution Outside California: southwestern Oregon. Flowering Time: Jul--Sep Synonyms: Tofieldia occidentalis S. Watson subsp. occidentalis Unabridged Note: Other subspecies. Oregon to Alaska, Montana, Wyoming. Jepson eFlora Author: Dale W. McNeal Reference: Packer 2003 FNANM 26:61--64 Index of California Plant Names (ICPN; linked via the Jepson Online Interchange) Previous taxon: Triantha Next taxon: Typhaceae
Botanical illustration including Triantha occidentalis subsp. occidentalis
Citation for this treatment: Dale W. McNeal 2012, Triantha occidentalis subsp. occidentalis, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=89271, accessed on February 27, 2021.
Citation for the whole project: Jepson Flora Project (eds.) 2021, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on February 27, 2021.
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