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Papyrus plant (Cyperus papyrus) at Kew Gardens, LondonThis tall, robust aquatic plant can grow 4 to 5 metres (13 to 16 ft) high, [5] but on the margins of high altitude lakes such as Lake Naivasha in Kenya and Lake Tana in Ethiopia, at altitudes around 1,800 m (6,000 ft) the papyrus culms can measure up to 9 m (29 + 1 ⁄ 2 ft) in length, with an additional 46 centimetres (18 in) for the ...
Cyperus alternifolius, the umbrella papyrus, umbrella sedge or umbrella palm, is a grass-like plant in the large genus Cyperus of the sedge family Cyperaceae. The plant is native to West Africa, Madagascar and the Arabian Peninsula, but widely distributed throughout the world. [2] It has gained the Royal Horticultural Society's Award of Garden ...
The Cyperaceae (/ ˌ s aɪ p ə ˈ r eɪ s i. iː,-ˌ aɪ /) are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges.The family is large; botanists have described some 5,500 known species in about 90 genera [3] [4] – the largest being the "true sedges" (genus Carex), [5] [6] with over 2,000 species.
Then the papyrus cartonnage is removed from behind with a scalpel. To loosen the pieces of papyrus within, the cartonnage is placed in a hot water bath (90 degrees Celsius) for a few minutes. Acid is then placed in the water to help in loosening the pieces of papyrus in the gesso. After this, the papyrus pieces are de-acidified.
The stems are circular in cross-section in some, triangular in others, usually leafless for most of their length, with the slender grass-like leaves at the base of the plant, and in a whorl at the apex of the flowering stems. The flowers are greenish and wind-pollinated; they are produced in clusters among the apical leaves. The seed is a small ...
The following taxa were accepted in The Plant List in 2015, but are no longer considered valid. Cyperus cyrtolepis Torr. & Hook. – now Cyperus acuminatus; Cyperus involucratus Rottb. - now Cyperus alternifolius; Cyperus variabilis Salzm. ex Steud. – now Cyperus esculentus; Cyperus zanzibarensis C.B.Clarke - now Cyperus pulchellus
Cyperus haspan is a dwarf papyrus sedge in the Cyperaceae. It is widely distributed in tropical and subtropical regions in Africa, Madagascar, southern Asia (Iran, India, China, Philippines, Indonesia, etc.), New Guinea, Australia, South America, West Indies, Central America, southern Mexico and the southeastern United States (from Texas to ...
Cyperus bulbosus is a perennial sedge. Typically green to straw in colour, the slender plant propagates via rhizomes (horizontal, underground stem extensions), ending at bulbs. Approximately 20–40 cm in height (appox. 8-16 inches), it has fragments (or culms) as long as its leaves (which are typically 1-2mm wide).