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Rhynchospora colorata( eorge Folkerts @ USDA-NRCS PLANTS Database / USDA SCS. 1991. Southern wetland flora: Field office guide to plant species. South National Technical Center, Fort Worth, TX.)

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Cladus: Commelinids
Ordo: Poales

Familia: Cyperaceae
Subfamilia: Cyperoideae
Tribus: Rhynchosporeae
Genus: Rhynchospora
Species: Rhynchospora colorata

Rhynchospora colorata (L.) H.Pfeiff., Repert. Spec. Nov. Regni Veg. 38: 89 (1935).

Schoenus coloratus L., Sp. Pl.: 43 (1753).
Kyllinga monocephala Rottb., Descr. Icon. Rar. Pl.: 13 (1773), nom. superfl.
Cyperus kyllingia Endl., Cat. Horti Vindob. 1: 94 (1842).
Dichromena colorata (L.) C.L.Hitchc., Rep. (Annual) Missouri Bot. Gard. 4: 141 (1893).
Kyllinga colorata (L.) Druce, Bot. Soc. Exch. Club Brit. Isles 1916: 630 (1917).
Schoenus stellatus Lam., Encycl. 1: 741 (1785).
Dichromena leucocephala Michx., Fl. Bor.-Amer. 1: 37 (1803).
Dichromena ciliata Pers., Syn. Pl. 1: 58 (1805), nom. superfl.
Dichromena glabra Pers., Syn. Pl. 1: 57 (1805).
Dichroma ciliatum Ham., Prodr. Pl. Ind. Occid.: 15 (1825), nom. superfl.
Dichromena persooniana Nees in C.F.P.von Martius & auct. suc. (eds.), Fl. Bras. 2(1): 112 (1842), nom. superfl.
Dichromena drummondiana Steud., Syn. Pl. Glumac. 2: 135 (1855).
Rhynchospora stellata (Lam.) Griseb., Abh. Königl. Ges. Wiss. Göttingen 7: 271 (1857).
Rhynchospora persooniana Griseb., Pl. Wright. 2: 536 (1862), nom. superfl.
Rhynchospora leucocephala (Michx.) Boeckeler, Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn 1869: 144 (1869).
Rhynchospora stellata f. intercedens Kük., Bot. Jahrb. Syst. 74: 300 (1951).

Native distribution areas:

Continental: Northern America
Alabama; Arkansas; Florida; Georgia; Louisiana; Mexico Central; Mexico Gulf; Mexico Northeast; Mexico Southeast; Mexico Southwest; Mississippi; North Carolina; South Carolina; Tennessee; Texas; Virginia
Continental: Southern America
Bahamas; Belize; Bermuda; Cayman Is.; Costa Rica; Cuba; French Guiana; Guatemala; Haiti; Jamaica; Leeward Is.; Lesser Sunda Is.; Puerto Rico; Turks-Caicos Is.; Venezuela; Virginia; Windward Is.

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
Primary references

Pfeiffer, H.H., 1935. Repertorium Specierum Novarum Regni Vegetabilis. Centralblatt für Sammlung und Veroffentlichung von Einzeldiagnosen neuer Pflanzen. [Edited by Friedrich Fedde]. Berlin 38:89, in adnot. 1935


Govaerts, R. et al. 2020. Rhynchospora colorata in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 Feb 19. Reference page.
International Plant Names Index. 2020. Rhynchospora colorata. Published online. Accessed: Feb 19 2020.
Govaerts, R. et al. 2020. Rhynchospora colorata in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 Feb 19. Reference page. 2020. Rhynchospora colorata. Missouri Botanical Garden. Published online. Accessed: 19 Feb 2020.
USDA, ARS, Germplasm Resources Information Network. Rhynchospora colorata in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.

Vernacular names
English: starrush whitetop
中文: 白鷺莞

Rhynchospora colorata, also known as starrush whitetop,[1] white star sedge and white-topped sedge, is a perennial sedge with white bracts, giving it the appearance of white petals with long, green points. It is native to southeastern North America, from Virginia west to New Mexico in the United States, and south into the Caribbean islands.[2][3]

The inflorescence is a dense cluster of small spikes, each containing several tiny flowers. It sits on top of 3–10 green and white bracts that grow to 10–15 cm long. These bracts look much like leaves, but the actual leaves arise from the base of the plant.[4]

Rhynchospora colorata - Copenhagen Botanical Garden - DSC07963.JPG
Rhynchospora colorata Cyperaceae.jpg


USDA, NRCS (n.d.). "Rhynchospora colorata". The PLANTS Database ( Greensboro, North Carolina: National Plant Data Team. Retrieved 22 October 2015.
"Rhynchospora colorata - Species Details". Atlas of Florida Plants. Retrieved 2021-03-15.
"Rhynchospora colorata (L.) H.Pfeiff". Retrieved 2021-03-15.
"Rhynchospora colorata - FNA". Retrieved 2021-03-15.

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