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Dale W. McNeal

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.
3 genera, 18 species: southeastern United States, northwestern South America, northern temperate. Tofieldia occidentalis moved to Triantha. —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.
4 species: North America, Japan. (Greek: 3, flower, from flowers in clusters of 3s) [Packer 2003 FNANM 26:61–64]
Unabridged etymology: (Greek: tri, 3 and anthos, flower, alluding to flowers aggregated in 3s)
Unabridged references: [Packer 1993 Novon 3:278–279]

Previous taxon: Tofieldiaceae
Next taxon: Triantha occidentalis subsp. occidentalis


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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora,, accessed on Nov 28 2015
Citation for this treatment: [Author of taxon treatment] 2013. Triantha, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on Nov 28 2015

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