Salicornia pulvinata R.E.Fr.

국표에 없다.

Salicornia pulvinata R.Fr. (gbif.org)

Salicornia is a genus of succulent, halophytic (salt tolerant) flowering plants in the family Amaranthaceae that grow in salt marshes, on beaches, and among mangroves. Salicornia species are native to North America, Europe, Central Asia, and southern Africa. Common names for the genus include glasswort, pickleweed, picklegrass, and marsh samphire; these common names are also used for some species not in Salicornia. To French speakers in Atlantic Canada, they are known colloquially as 'titines de souris' ('mouse tits'). The main European species is often eaten, called marsh samphire in Britain, and the main North American species is occasionally sold in grocery stores or appears on restaurant menus as sea beans, samphire greens or sea asparagus.

Description

The Salicornia species are small annual herbs. They grow prostrate to erect, their simple or branched stems are succulent, hairless, and appear to be jointed. The opposite leaves are strongly reduced to small fleshy scales with a narrow dry margin, hairless, unstalked and united at the base, thus enclosing and forming a succulent sheath around the stem, which gives it the appearance of being composed of jointed segments.  Many species are green, but their foliage turns red in autumn. Older stems may be somewhat woody basally.

All stems terminate in spike-like apparently jointed inflorescences. Each joint consists of two opposite minute bracts with an (1-) 3-flowered cyme tightly embedded in cavities of the main axis and partly hidden by the bracts. The flowers are arranged in a triangle, both lateral flowers beneath the central flower. The hermaphrodite flowers are more or less radially symmetric, with a perianth of three fleshy tepals united nearly to the apex. There are 1–2 stamens and an ovary with two stigmas.

The perianth is persistent in fruit. The fruit wall (pericarp) is membranous. The vertical seed is ellipsoid, with yellowish brown, membranous, hairy seed coat. The seed contains no perisperm (feeding tissue).

Like most members of the subfamily Salicornioideae, Salicornia species use the C3 carbon fixation pathway to take in carbon dioxide from the surrounding atmosphere.

Salicornia - Wikipedia

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