OregonFlora: Lipocarpha micrantha

	Lipocarpha micrantha
	small-flowered lipocarpha
Culms	2–20 cm × 0.3–0.5 mm.
Leaves	0.3–0.5 mm wide.
Inflorescences	spikes 1–2(3), 1–3(5) × 1–2 mm; bracts 1–2(3); longest erect; others spreading, 2–5 cm.
Spikes	floral scale widest at or distal to mid length, 0.5–1 × 0.3–0.4 mm; inner scale notched, sometimes absent, 0.1–0.2 × 0.1 mm.
Achenes	obovoid to broadly ellipsoid, 0.4–0.6(0.7) × 0.2–0.3 mm.

	Lipocarpha micrantha
Distribution	[WildflowerSearch map] [BONAP county map]
Discussion	Emergent shorelines, rarely freshwater tidal shores. 100–200 m. WV. CA, WA; north to British Columbia, east from ND, TX, and Ontario to Atlantic, south to South America; Africa. Native.
Source	Flora of Oregon, volume 1, page 247 Barbara Wilson, Richard Brainerd, Nick Otting
Sibling taxa	L. aristulata, L. occidentalis
Synonyms	Hemicarpha micrantha
Web links	Local floras: BC, 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

Lipocarpha micrantha

small-flowered lipocarpha

Culms

2–20 cm × 0.3–0.5 mm.

Leaves

0.3–0.5 mm wide.

Inflorescences

spikes 1–2(3), 1–3(5) × 1–2 mm;

bracts 1–2(3); longest erect; others spreading, 2–5 cm.

Spikes

floral scale widest at or distal to mid length, 0.5–1 × 0.3–0.4 mm; inner scale notched, sometimes absent, 0.1–0.2 × 0.1 mm.

Achenes

obovoid to broadly ellipsoid, 0.4–0.6(0.7) × 0.2–0.3 mm.

Lipocarpha micrantha

Distribution

[WildflowerSearch map]

[BONAP county map]

Discussion

Emergent shorelines, rarely freshwater tidal shores. 100–200 m. WV. CA, WA; north to British Columbia, east from ND, TX, and Ontario to Atlantic, south to South America; Africa. Native.

Source

Flora of Oregon, volume 1, page 247
Barbara Wilson, Richard Brainerd, Nick Otting

Sibling taxa

L. aristulata, L. occidentalis

Synonyms

Hemicarpha micrantha

Web links