|University of California, Berkeley|
|Directory News Site Map Home|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
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]
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).
2n=30. Wet meadows, bogs; < 3100 m. Northwestern California, Cascade Range, High Sierra Nevada; southwestern Oregon. [Tofieldia occidentalis S. Watson subsp. occidentalis] Jul–Sep [Online Interchange]
Unabridged note: Other subspecies. Oregon to Alaska, Montana, Wyoming.
Previous taxon: Triantha
Next taxon: Typhaceae
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 25 2014
Citation for this treatment: [Author of taxon treatment] 2013. Triantha, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=89271, accessed on Jul 25 2014
Copyright © 2014 Regents of the University of California
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.
|Bioregions in which Triantha occidentalis subsp. occidentalis occurs|| 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.
READ ABOUT YELLOW FLAGS
|View elevation by latitude chart|| Data provided by the participants of the Consortium of California Herbaria.
View all CCH records
CCH collections by month