UW Burke Herbarium species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Trillium albidum

giant trillium, sessile trillium
Habit Herbaceous perennial from short and thick rhizomes; stems erect, 20-60 cm tall.
Leaves

Leaves 3, whorled, extending outwards past flower, sessile, 7-20 cm long and 12-15 cm wide, generally ovate, apex rounded to obtuse, green, sometimes with brown or purple tinged spots.
Flowers

Flowers 1, sessile;

sepals 3, free, persistent, green, spreading, 3-6.5 cm, lanceolate;

petals 3, erect to ascending, free, withering, white to slightly pale pinkish, base sometimes purple;

stamens 6, 15-25 mm, tissue between anther sacs greenish;

ovary greenish to purplish, 3-chambered;

styles 3.
Fruits

Berry-like capsule, green to purplish green, pulpy and juicy; seeds, many, ovoid.

Trillium albidum
Flowering time April-June
Habitat Moist forests, oak-ash woodlands, thickets, and fields at low elevations.
Distribution
Occurring west of the Cascades crest in Washington; Washington to California.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Sensitive in Washington (WANHP)
Sibling taxa
T. ovatum, T. petiolatum
Subordinate taxa
T. albidum ssp. parviflorum
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in UW Burke Herbarium yet, or it's listed under a synonym.)

Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

The species comparison tool is brought to you by:
Northwest Wildflowers