Melica transsilvanica

Melica transsilvanica
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
(unranked): Commelinids
Order: Poales
Family: Poaceae
Genus: Melica
Species: M. transsilvanica
Binomial name
Melica transsilvanica
Schur[1]
Wikimedia Commons has media related to Melica transsilvanica.

Melica transsilvanica, Red Spire,[2] is a species of grass in the Poaceae family that can be found in Europe and temperate Asia which includes Caucasus and China.[3]

Description

The species is perennial and caespitose with elongated rhizomes. It culms are 40–90 centimetres (16–35 in) long with tubular leaf-sheaths which are closed on one of their lengths. Eciliate membrane of the ligule is 0.5 millimetres (0.020 in) long. Leaf-blades are convolute and are 10–15 centimetres (3.9–5.9 in) long by 2–4 millimetres (0.079–0.157 in) wide. They also have scaberulous surface and are rough on both sides.[3]

The panicle itself is dense, open, linear, and is 4–7 centimetres (1.6–2.8 in) long by 1.5 centimetres (0.59 in) wide. The nodes are whorled and are 3–8 centimetres (1.2–3.1 in) long. Fertile spikelets are comprised out of 1 fertile floret which is diminished at the apex. They are also pediceled, the pedicels of which are 1–5 millimetres (0.039–0.197 in) long with spikelerts themselves being oblong and 6 millimetres (0.24 in) long.[3]

Fertile lemma is chartaceous, elliptic, keelless and is 5 millimetres (0.20 in) long. It margins are ciliated while it apex is obtuse. Sterile florets are barren, clumped, cuneate, and grow 2–3 in number. Both the lower and upper glumes are oblong, keelless, membranous, have erosed apexes, and are 5-veined. Their size is different though; Lower glume is 2–3 millimetres (0.079–0.118 in) long, while the upper one is 5–6 millimetres (0.20–0.24 in) long. Palea is 2-veined with flowers being fleshy, oblong and truncate. They also have 2 lodicules, and grow together with their 3 anthers which have fruits that are caryopsis and have an additional pericarp with linear hilum.[3]

Distribution

In central Asia the species is found in Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan and northern part of Iran. It is also found in Xinjiang, China and Asian part of Russia.[4] In Europe, it is present in such countries as Czech Republic,[1] Germany,[5] Austria, Albania, Bulgaria, Greece, Hungary, Italy, Poland, Romania, and Switzerland. It subspecies Melica transsilvanica transsilvanica is found only in Moldova and Ukraine.[6]

Ecology

The species is scattered throughout forested areas where it margins prefer closed vegetation. It grows on limestone, sandstone, basalt, granite, gypsum, porphyry, and talus.[6]

Habitat

It is found on the elevation of 800–2,000 metres (2,600–6,600 ft) on hills, steppes and other dry places.[4]

References

  1. 1 2 "Melica transsilvanica Schur". Biolib.cz. Retrieved June 8, 2013.
  2. ↑ "Melica transsilvanica (Red Spire)". North Carolina State University. 1998. Retrieved June 8, 2013.
  3. 1 2 3 4 W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson (November 16, 2012). "Melica transsilvanica". The Board of Trustees, Royal Botanic Gardens. Kew: GrassBase. Retrieved June 8, 2013.
  4. 1 2 "Melica transsilvanica". Flora of China. pp. 216 & 218.
  5. ↑ Conert, H.J. (1992). "Illustrierte Flora von Mitteleuropa". Berlin and Hamburg, Germany: Verlag Paul Parey.
  6. 1 2 "European distribution". Factsheet. Retrieved June 8, 2013.

Further reading

This article is issued from Wikipedia - version of the 8/26/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.