Sparrows

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Sparrows
Spiraea salicifolia, illustration

Spiraea salicifolia , illustration

Systematics
Rosids
Eurosiden I
Order : Rose-like (rosales)
Family : Rose family (Rosaceae)
Subfamily : Spiraeoideae
Genre : Sparrows
Scientific name
Spiraea
L.

The Spiraea ( Spiraea ) are a genus in the subfamily spiraeoideae from the family of the rose family (Rosaceae). There are around 80 species. The botanical genus name refers to the often twisted fruits, from Greek speira = wind, twist.

description

Flower diagram of Spiraea hypericifolia .

Sparaceous shrubs are hardy , deciduous, deciduous shrubs . The alternate leaves are simple and mostly short-stalked. The leaf margins are usually serrated, toothed or lobed, rarely smooth. Stipules are missing.

Many flowers stand together in inflorescences of different construction : either in dense panicles , panicles , grapes or umbels . The radial symmetry , five-fold, small flowers are mostly hermaphroditic, rarely unisexual. There are five sepals . The five petals are mostly white, more rarely also reddish. The petals are usually longer than the sepals. There are many (15 to 60) stamens per flower . Most of the five (rarely three to eight) carpels are free. The follicles contain many tiny seeds.

Occurrence

The home of the species are predominantly in the temperate zone of the northern hemisphere . They also occur at higher altitudes in the subtropics. 70 species occur in China, 47 of them are endemic there .

Systematics

Spiraea is the eponymous and most species-rich genus of the tribe Spiraeeae and subfamily Spiraeoideae within the rose family (Rosaceae). It is a monophyletic genus and includes around 80 species. The traditional subdivision into three sections based on the inflorescence types is not supported by molecular genetic studies.

Plant List distinguishes between the following types and hybrids :

Spiraea × arguta

Eponyms

The asteroid (1091) Spiraea , discovered on February 26, 1928, is named after the plant genus.

swell

Individual evidence

  1. ^ C. Kalkman: Rosaceae. In: Klaus Kubitzki (Ed.): The Families and Genera of Vascular Plants - Volume VI - Flowering Plants - Dicotyledons - Celastrales, Oxalidales, Rosales, Cornales, Ericales , 2004, p. 355, ISBN 978-3-540-06512- 8th
  2. ↑ D. Potter, SM Still, D. Ballian, G. Božič, J. Franjiæ, H. Kraigher: Phylogenetic relationships in tribe Spiraeeae (Rosaceae) inferred from nucleotide sequence data . Plant Systematics and Evolution, Volume 266, 2007, pp. 105-118. doi: 10.1007 / s00606-007-0544-z
  3. ↑ Spiraea. In: The Plant List. Retrieved July 22, 2014 .
  4. ↑ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab German name after Andreas Roloff, Andreas Bärtels: Flora der Gehölze. Purpose, properties and use . 3rd, corrected edition. Eugen Ulmer, Stuttgart (Hohenheim) 2008, ISBN 978-3-8001-5614-6 , pp. 619-628 .
  5. ↑ Cuizhi Gu, Chaoluan Li, Lingdi Lu, Shunyuan Jiang, Crinan Alexander, Bruce Bartholomew, Anthony R. Brach, David E. Boufford, Hiroshi Ikeda, Hideaki Ohba, Kenneth R. Robertson, Steven A. Spongberg: Species list Spiraea , in Flora of China , Volume 9.
  6. ^ Dictionary of Minor Planet Names, Volume 1 in the Google Book Search

Web links

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