Thismia

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Thismia
Thismia rodwayi

Thismia rodwayi

Systematics
Subdivision : Seed plants (Spermatophytina)
Class : Bedecktsamer (Magnoliopsida)
Monocots
Order : Yams (Dioscoreales)
Family : Thismiaceae
Genre : Thismia
Scientific name
Thismia
Handle.

Thismia is a genus of plants in the Thismiaceae family.

description

The plants are persistent, mycotrophic and chlorophyllless . There is no rhizome . The roots run horizontally and are strongly cylindrical. The stem is very short and unbranched. The leaves are sessile and white. The inflorescences consist of individual flowers . The bracts of the flowers are overlapping. Flower stalks are missing. The flowers are erect and neither ribbed nor winged. The perianth becomes obsolete when the fruit ripens. The six stamens are hanging. The ovary is unicameral. The capsule is cup-shaped.

Occurrence

The species of the genus are spread pantropically .

Systematics

The genus Thismia was established in 1844 by William Griffith in Proceedings of the Linnean Society of London , Volume 1, page 221, Thismia brunonis served as the type species . The generic name Thismia represents an anagram for Smithia . The name was created in honor of the English microscopist Thomas Smith. The name Smithia itself had already been given for a genus of legumes (Fabaceae).

Thismia rodwayi

The genus Thismia Griff. contains about 48 species:

source

  • Deborah Q. Lewis: Burmanniaceae . Thismia . In: Flora of North America Editorial Committee (Ed.): Flora of North America North of Mexico . Magnoliidae and Hamamelidae. Volume 3. Oxford University Press, New York a. a. 2002, ISBN 0-19-515208-5 , Thismia (English, Thismia - Online - this work is online with the same text). (Section description, distribution and systematics)

Individual evidence

  1. a b c Deborah Q. Lewis: Burmanniaceae . Thismia . In: Flora of North America Editorial Committee (Ed.): Flora of North America North of Mexico . Magnoliidae and Hamamelidae. Volume 3. Oxford University Press, New York a. a. 2002, ISBN 0-19-515208-5 , Thismia (English, Thismia - Online - this work is online with the same text). (Section description, distribution and systematics)
  2. Thismia. In: Tropicos. www.tropicos.org, accessed December 11, 2014 .
  3. 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 ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg Rafaël Govaerts (Ed.): Thismia. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved January 6, 2017.

Web links

Commons : Thismia  - collection of images, videos and audio files