Burke: Aconogonon davisiae

	Aconogonon davisiae
	Newberry's fleeceflower, Davis' knotweed, Davis's knotweed
Habit	Herbaceous perennial from a thick root, usually with several simple or freely branched stems, ascending to erect, about 1.5-3.5 dm. tall, more or less reddish-brown throughout.
Leaves	Leaves numerous, alternate, only slightly reduced upward, short-petiolate, the blade broadly lanceolate to oblong, 2-5 cm. long; sheathing stipules brownish, 5-15 mm. long, not lacerate.
Flowers	Inflorescence of short, few-flowered racemes in upper leaf axils; perianth greenish-white to pinkish, 3-4 mm. long with a stipe-like base, the 5 segments obovate; stamens 8, on short filaments.
Fruits	Achene with three sharp angles, yellowish-brown, smooth and shining, about 4 mm. long.

	Aconogonon davisiae
Flowering time	June-September
Habitat	Slopes and ridges in the subalpine and alpine.
Distribution	Occurring on both sides of the Cascades crest in Washington; Washington to California. [WildflowerSearch map] [BONAP county map]
Origin	Native
Conservation status	Not of concern
Sibling taxa	A. phytolaccifolium
Web links	Local floras: CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Aconogonon davisiae

Newberry's fleeceflower, Davis' knotweed, Davis's knotweed

Habit

Herbaceous perennial from a thick root, usually with several simple or freely branched stems, ascending to erect, about 1.5-3.5 dm. tall, more or less reddish-brown throughout.

Leaves

Leaves numerous, alternate, only slightly reduced upward, short-petiolate, the blade broadly lanceolate to oblong, 2-5 cm. long; sheathing stipules brownish, 5-15 mm. long, not lacerate.

Flowers

Inflorescence of short, few-flowered racemes in upper leaf axils;

perianth greenish-white to pinkish, 3-4 mm. long with a stipe-like base, the 5 segments obovate;

stamens 8, on short filaments.

Fruits

Achene with three sharp angles, yellowish-brown, smooth and shining, about 4 mm. long.