OregonFlora: Triglochin striata

	Triglochin striata
	three-ribbed arrow-grass
Habit	Herbs perennial.
Leaves	5–40 cm × 1–2 mm; elliptical in cross section; ligules entire, 1–2 mm.
Inflorescences	racemes conspicuously shorter than or equal to leaves in length, 5–40 cm.
Pedicels	spreading to ascending, 1–2 mm.
Flowers	tepals 1 mm, fertile carpels 3.
Fruits	schizocarps, globose; up to 2 × 2 mm.
2n	=18, 24.

	Triglochin striata
Distribution	[WildflowerSearch map] [BONAP county map]
Discussion	Coastal brackish, alkaline, and freshwater marshes. Flowering Jun–Aug. 0–50 m. Est. CA, WA; south to Mexico, West Indies, and South America; disjunct populations in southeastern US. Native.
Source	Flora of Oregon, volume 1, page 290 Rachel Newton
Sibling taxa	T. concinna, T. maritima, T. palustris, T. scilloides
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

Triglochin striata

three-ribbed arrow-grass

Habit

Herbs perennial.

Leaves

5–40 cm × 1–2 mm; elliptical in cross section;

ligules entire, 1–2 mm.

Inflorescences

racemes conspicuously shorter than or equal to leaves in length, 5–40 cm.

Pedicels

spreading to ascending, 1–2 mm.

Flowers

tepals 1 mm, fertile carpels 3.

Fruits

schizocarps, globose; up to 2 × 2 mm.

=18, 24.

Triglochin striata

Distribution

[WildflowerSearch map]

[BONAP county map]

Discussion

Coastal brackish, alkaline, and freshwater marshes. Flowering Jun–Aug. 0–50 m. Est. CA, WA; south to Mexico, West Indies, and South America; disjunct populations in southeastern US. Native.

Source

Flora of Oregon, volume 1, page 290
Rachel Newton

Sibling taxa

T. concinna, T. maritima, T. palustris, T. scilloides

Web links