''Agrostis pallens'' is a species of grass known by the common name seashore bentgrass.

Distribution

It is native to western North America from British Columbia to Montana to California, where it grows in many types of habitat, typically open meadows, woodlands, subalpine areas, and other dry habitats. The

diploid number Ploidy () is the number of complete sets of chromosomes in a cell, and hence the number of possible alleles for autosomal and pseudoautosomal genes. Sets of chromosomes refer to the number of maternal and paternal chromosome copies, respecti ...

of the grass is either 42 or 56.

Description

''Agrostis pallens'' is a perennial bunchgrass growing tall. It is occasionally rhizomatous. The

ligule A ligule (from "strap", variant of ''lingula'', from ''lingua'' "tongue") is a thin outgrowth at the junction of leaf and leafstalk of many grasses (Poaceae) and sedges. A ligule is also a strap-shaped extension of the corolla, such as that of a ...

is long. The leaf blades are flat or inrolled, and long and wide. The lanceolate to somewhat ovate inflorescence is long. The glumes are long. The

lemma Lemma may refer to: Language and linguistics * Lemma (morphology), the canonical, dictionary or citation form of a word * Lemma (psycholinguistics), a mental abstraction of a word about to be uttered Science and mathematics * Lemma (botany), a ...

is long, occasionally with a straight

awn AWN may stand for: * Awn Access to Justice Network in Gaza Strip, Legal Aid Network operate in Gaza Strip, Palestine * Animation World Network, an online organization for animators * Avant Window Navigator, a dock-like bar that tracks open windows ...

measuring between . The palea is either absent or vestigial. The

anther The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filam ...

s are long. The grass blooms from April into May. The grass grows from of elevation.

References

External links

Jepson Manual Treatment — ''Agrostis pallens'' UC Photos gallery — ''Agrostis pallens''
{{Taxonbar, from=Q4694288 pallens Bunchgrasses of North America Grasses of the United States Grasses of Canada Native grasses of California Flora of the Northwestern United States Flora of Nevada Flora of British Columbia Flora of the Rocky Mountains Flora of the Sierra Nevada (United States) Natural history of the California chaparral and woodlands Natural history of the California Coast Ranges Garden plants of North America Plants described in 1882