William Derek Clayton

Rottboellia cochinchinensis is a species of flowering plant in the family Poaceae. This grass is known by the common names Itchgrass, Raoul grass, corngrass, Kokoma grass, Guinea-fowl grass, jointed grass, Shamwa grass and Kelly grass. It is a tall, tufted annual grass whose stems (culms) grow up to 3 metres (9 ft 10 in) in height with leaf-blades of up to 45 centimetres (1 ft 6 in) in length. The species flowers at the apex of culms in the form of spike-like racemes composed of paired spikelets. The common name Itchgrass comes from the bristly (hispid) leaf-sheath which can be irritating to

Hyperthelia is a genus of African plants in the grass family. Species Hyperthelia colobantha Clayton - Central African Rep Hyperthelia cornucopiae (Hack.) Clayton - Central African Rep, Chad, South Sudan Hyperthelia dissoluta (Nees ex Steud.) Clayton - most of sub-Saharan Africa incl Madagascar; naturalized in Latin America Hyperthelia edulis (C.E.Hubb.) Clayton - South Sudan Hyperthelia kottoensis Desc. & Mazade - Central African Rep Hyperthelia polychaeta Clayton - Central African Rep

Glyphochloa is a genus of Indian plants in the grass family. Species

Sporobolus fertilis, commonly known as Bloomsbury grass, is a species of grass native to the Himalayas, India, Sri Lanka, Burma, Thailand, China, Japan, and Malaysia. It is an invasive species in Australia, where it is known as giant parramatta grass. This plant first appeared in scientific literature as Agrostis fertilis in the Synopsis Plantarum Glumacearum of 1854, published by the German botanist Ernst Gottlieb von Steudel.

Visit the page for more details.

Hyperthelia dissoluta, the yellow thatching grass, is a species of flowering plant in the family Poaceae. It is native to Sub‑Saharan Africa and Madagascar. It has been introduced to Mexico, Central America, Colombia, and Brazil. Its palatability to livestock decreases markedly as the plant matures, and it is a very aggressive competitor, so it has developed a bad reputation among ranchers.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Lepturus pulchellus is a species of grass in the family Poaceae. It is a perennial endemic to the islands of Socotra and Samhah in Yemen's Socotra Archipelago. It grows in coastal dwarf shrubland on Socotra, and in desertic foothills on Samhah, from 10 to 200 metres elevation.

Kampochloa is a genus of African plants in the grass family. The only known species is Kampochloa brachyphylla, native to Zambia and Angola. 04-20-2007 -(c) bouncing of walls last night (almost literally) - so I gave the full dose of clonidine - fell asleep around 8:45 - was up between 2 and 3 but then went back to sleep. O.K this A.m. -Good start for exercises. To regular class for a visit from a rescue dog + handler. anxious, clenching hands - so I gave (c) a squeeze ball to hold. Worked well! To L.S. for centers. Anxious this AM, lots of picking at eyes. Finished centers, working on puzzle

Visit the page for more details.

Daknopholis is a genus of African and Indian Ocean plants in the grass family. The only known species is Daknopholis boivinii, native to Kenya, Tanzania, Mozambique, Aldabra and Madagascar.

Visit the page for more details.

Chlorocalymma is a genus of Tanzanian plants in the grass family. The only known species is Chlorocalymma cryptacanthum, native to the Iringa Region of central Tanzania. The name is from the Greek words chloros (green) and kalymma (covering).

Baptorhachis is a genus of Southwest African plants in the grass family. The only known species is Baptorhachis foliacea, found only in Mozambique.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Farrago is a genus of African plants in the grass family. The only known species is Farrago racemosa, native to the Lindi Region of southeastern Tanzania.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Visit the page for more details.

Phaenospermateae is a tribe of grasses, subfamily Pooideae, containing a single genus, Phaenosperma. The tribe previously included several other genera, which are now placed in a separate tribe, Duthieeae.

Visit the page for more details.

Visit the page for more details.