''Carex dickinsii'', also known as Dickins' sedge or chao xian tai cao in pinyin, is a

tussock Tussock may refer to: * Tussock grass, a group of species in the family Poaceae *Floating island * Lymantriinae, called tussock moths or tussocks See also * Hassock (disambiguation) Hassock may refer to: * Kneeler, a cushion or a piece of f ...

-forming species of perennial sedge in the family

Cyperaceae The Cyperaceae are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges. The family is large, with some 5,500 known species described in about 90 genera, the largest being the "true sedges" genus ''Carex'' w ...

. It is native to parts of

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

, Taiwan and south-eastern

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

Description

The sedge has a

rhizome In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...

and forms slender stems that arise from underground. It forms long culms that have a triangular cross-section and have a

rough Rough may refer to: * Roughness (disambiguation) * Rough (golf), the area outside the fairway on a golf course Geography * Rough (facility), former gas field now gas storage facility, off the Yorkshire coast of England People * Alan Rough (born 1 ...

texture on top and are smooth underneath. The culms have yellow to brown coloured sheaths at there base. The stiff and flat leaves have a width of and are the same length or longer than the culms. The leaves have sheathed and transverse nodes that are compartmentalied between the veins. It has leaflike bracts that appear in a whorl underneath the inflorescences. The flower spikes usually occur in groups of three with a lateral female spike and a club shapeed terminal male spike that is in length.

Taxonomy

The species was first described by the botanists Adrien René Franchet and

Ludovic Savatier Paul Amedée Ludovic Savatier (19 October 1830 – 27 August 1891) was a French naval doctor and botanist. Savatier was born on the Atlantic island of Oléron, off La Rochelle and Rochefort, in 1830. He studied medicine at the Naval Medical Schoo ...

in 1878 as a part of the work ''Enumeratio Plantarum in Japonia Sponte Crescentium'' It has one

synonym A synonym is a word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are all ...

; ''Carex coreana'' described by

Liberty Hyde Bailey Liberty Hyde Bailey (March 15, 1858 – December 25, 1954) was an American horticulturist and reformer of rural life. He was cofounder of the American Society for Horticultural Science.Makers of American Botany, Harry Baker Humphrey, Ronald Press ...

in 1889.

Distribution

The sedge is found in temperate areas of eastern Asia, from Japan in the north, Korea and the Fujian province of Chine in the south.

References

{{Taxonbar, from=Q11092792 dickinsii Taxa named by Adrien René Franchet Taxa named by Ludovic Savatier Plants described in 1878 Flora of Japan Flora of Taiwan Flora of China