Jepson Herbarium
		University of California, Berkeley

Directory       News       Site Map       Home

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, 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: se US, nw South America, n 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;

Previous taxon: Triantha
Next taxon: Typhaceae

Contact/Feedback

Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].

Copyright © 2012 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 taxon occurs	Red area (if present) is the part of the bioregion lying between the upper and lower elevation limits of the taxon; 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 have georeferencing or identification issues.
Chart based on elevation range in Manual and elevations and coordinates of CCH records. Data provided by the participants of the Consortium of California Herbaria. Note: About half of the CCH records include both elevation and coordinates.	Map made in collaboration with Scott Loarie. Data provided by the participants of the Consortium of California Herbaria. View all CCH records   CCH collections by month Duplicates counted once; synonyms included. Species do not include records of infraspecific taxa. Blue line denotes Manual flowering time.