Thin tail

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Thin tail
Curved thin tail (Parapholis strigosa)

Curved thin tail ( Parapholis strigosa )

Systematics
Commelinids
Order : Sweet grass (Poales)
Family : Sweet grasses (Poaceae)
Subfamily : Pooideae
Tribe : Poeae
Genre : Thin tail
Scientific name
Parapholis
CEHubb.
Illustration of the sickle thin tail ( Parapholis strigosa ) on the left and the bristle tail grass ( Festuca incurva ) on the right
Curved thin tail ( Parapholis strigosa )

The plant genus thin tail ( Parapholis ) belongs to the sweet grass family (Poaceae). The six or so species are native to Eurasia and North Africa .

description

Vegetative characteristics

Of the six Parapholis styles are five -year and perennial herbaceous plants . They grow in clumps or with a single stalk . The stalks are erect or prostrate. The leaves are divided into leaf sheath and leaf blade. The leaf sheaths are ribbed, the ligule is a membranous border. The narrowly linear to linear-lanceolate leaf blades are short and flat or rolled up dry.

Generative characteristics

The inflorescence is a stalk-round, straight or sickle-shaped spike that disintegrates when ripe. The spikelets are alternately on two sides of the ear axis, lie laterally, and are also sunk into its cavity. Overall, the ear is hardly thicker than the stalk. The spikelets are single-flowered with a single hermaphrodite flower . The axillary process above the floret is short, the spikelet falls off as a whole when the fruit is ripe.

The two glumes are approximately the same, three to five-nerved, keeled and stand laterally in front of the floret. The lemma is three- veined . There are three stamens . The ovary is bare. The stylus ends in a feathery scar .

The caryopsis is free and not fused with the husks.

distribution

The genus Parapholis is distributed in Central Asia and Southeast Asia, in the Mediterranean, northward along the Atlantic coast of Europe to the Baltic Sea. All species except Parapholis gracilis are native to Europe .

Systematics

The genus Parapholis was established in 1946 by Charles Edward Hubbard in Blumea , Supplement 3, p. 14. Synonyms for Parapholis C.E.Hubb. are Lepidurus Janch. and Lepturus R.Br. The genus Parapholis belongs to the subtribe Parapholiinae from the tribe Poeae in the subfamily Pooideae within the family Poaceae .

There are about six types of Parapholis :

  • Parapholis filiformis (Roth) CEHubb. : The home is the Mediterranean and Madeira.
  • Parapholis gracilis Bor : The range extends from Israel to the Caucasus and Iran.
  • Sickle thin tail ( Parapholis incurva (L.) CEHubb. , Syn .: Lepturus incurvus (L.) Druce , Lepturus incurvatus Trin. , Pholiurus incurvus (L.) Hitchc. , Aegilops incurva L. ): The distribution area extends from Macaronesia and the Mediterranean area to Western Europe, Central Asia and Iran and north-western India. In Australasia, South Africa and North and South America the species is a neophyte. Not to be confused with the bristle- tailed grass ( Psilurus incurvus (Gouan) Schinz & Thell. ) And also not with Parapholis strigosa , which is also known as the German name for crooked thin-tail.
  • Parapholis marginata Runemark : Home is the Mediterranean area.
  • Parapholis pycnantha (Hack.) CEHubb. : The home is the Mediterranean area and the Canary Islands.
  • Curved thin tail ( Parapholis strigosa (Dum.) CEHubb .; Syn .: Lepiurus strigosus Dumort. ): Home is Europe and Libya.

swell

  • WD Clayton, KT Harman, & H. Williamson, 2006 onwards: GrassBase - The Online World Grass Flora . Parapholis - data sheet.
  • Zhen-lan Wu & Sylvia M. Phillips: Parapholis , p. 315: Online , In: Wu Zheng-yi, Peter H. Raven, Deyuan Hong (Eds.): Flora of China , Volume 22: Poaceae , Science Press et al., Beijing et al. 2006, ISBN 1-930723-50-4 . (Section Description and Distribution)

Individual evidence

  1. ↑ a b c d e f g h Rafaël Govaerts (Ed.): Parapholis. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved June 25, 2020.
  2. ^ Parapholis at Tropicos.org. Missouri Botanical Garden, St. Louis
  3. ^ A b Parapholis in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland.
  4. ↑ Peter Schönfelder , Ingrid Schönfelder: The new cosmos Mediterranean flora. Franckh Kosmos Verlag Stuttgart 2008. ISBN 978-3-440-10742-3 . P. 408.

Literature on Parapholis strigosa

  • Siegmund Seybold (ed.): Schmeil-Fitschen interactive (CD-Rom), Quelle & Meyer, Wiebelsheim 2001/2002, ISBN 3-494-01327-6

Web links

Commons : Thin Tail ( Parapholis )  - Collection of images, videos and audio files