|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, from rhizome or bulb, or rhizomes ending in weakly developed bulbs, scapose or not. Leaf: alternate, whorled, or mostly basal and spirally arranged, deciduous after 1 year or not. Inflorescence: raceme, panicle, or flowers 1. Flower: perianth parts 6, in 2 petal-like whorls or of sepals and petals, free or fused below, ± spreading; stamens 6, from perianth, anthers attached at base or near middle; ovary superior or partly inferior, chambers 3, styles 3, persistent. Fruit: capsule, loculicidal or septicidal.
10 genera, 130 species: northern hemisphere. W North America Zigadenus moved to Toxicoscordion. —Scientific Editors: Dale W. McNeal, Thomas J. Rosatti.
Key to Melanthiaceae
Rhizome short, thick, spreading to erect. Stem: erect, >=1 per rhizome. Leaf: 3, in 1 whorl subtending flower, sessile or subsessile, ± ovate. Inflorescence: flowers 1 per stem, erect to nodding, stalked or sessile. Flower: bisexual; sepals 3, free, persistent, ± green; petals 3, free, withering, white, ± pink, ± yellow, or purple; stamens 6; ovary chambers 3, styles 3. Fruit: capsule, ± berry-like. Seed: many, ovoid.Key to Trillium
± 30–40 species: North America, Asia. (Latin: 3, from leaves) [Farmer 2006 Aliso 22:579–592; Freeman 1975 Brittonia 27:1–62] Trillium rivale moved to Pseudotrillium.
Stem: 2–7 dm. Leaf: subsessile, 9–25 cm, 8–15 cm wide, rounded to obtuse at tip, weakly light-brown- or dark-green-spotted. Flower: erect, sessile; odor generally musty or fetid; sepals 3.5–5.5 cm, oblong- to lance-linear; petals erect or leaning inward and ± concealing stamens, 5–11 cm, linear, dark purple; stamens 11–23 mm, tissue between anther sacs purple; ovary dark purple. Fruit: spheric, 6-angled, ± winged, fleshy.
n=5. Montane conifer forest, foothill woodland, chaparral, riparian woodland; 30–2000 m. w Klamath Ranges, Sierra Nevada (except Tehachapi Mountain Area), s Central Coast, Outer South Coast Ranges; southern Oregon. [Trillium kurabayashii J.D. Freeman] Mar–Apr [Online Interchange]
Unabridged note: Trillium kurabayashii treated as separate sp. in FNANM, based on differences in cytology; bract orientation, color, and texture; and petal shape.
Previous taxon: Trillium albidum
Next taxon: Trillium chloropetalum
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Feb 27 2015
Citation for this treatment: [Author of taxon treatment] 2013. Trillium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=47215, accessed on Feb 27 2015
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.
See CalPhotos for additional images
Gerald and Buff Corsi © 1999 California Academy of Sciences
|Geographic subdivisions indicated for the distribution of Trillium angustipetalum|| 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
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
View elevation by latitude chart
| Data provided by the participants of the Consortium of California Herbaria.
View all CCH records
CCH collections by month