Search results
Results from the WOW.Com Content Network
Oryza is a genus of plants in the grass family. [ 3 ] [ 4 ] It includes the major food crop rice (species Oryza sativa and Oryza glaberrima ). Members of the genus grow as tall, wetland grasses, growing to 1–2 metres (3–7 ft) tall; the genus includes both annual and perennial species.
Oryza segetalis Russell ex Steud. Oryza sativa, having the common name Asian cultivated rice, [2] is the much more common of the two rice species cultivated as a cereal, the other species being O. glaberrima, African rice. It was first domesticated in the Yangtze River basin in China 13,500 to 8,200 years ago. [3][4][5][6]
For other uses, see Rice (disambiguation). Rice plant (Oryza sativa) with branched panicles containing many grains on each stem Rice grains of different varieties at the International Rice Research Institute Rice is a cereal grain and in its domesticated form is the staple food of over half of the world's population, particularly in Asia and Africa. Rice is the seed of the grass species Oryza ...
Oryza punctata is a caespitose (tussock forming) annual hydrophyte (grows in/on water). [3] [10] The culm base of O. punctata is spongy and greater than 4 mm in diameter.The culm is glabrous (smooth and without hairs) and striate (parallel longitudinal grooves); it is erect or geniculately (bent like a knee) ascending and from 50–120 cm tall with 3–5 nodes.
Coat of arms of the Republic of Texas January 25, 1839 State coat of arms: Coat of arms of Texas: 1993 National guard crest Crest of the Texas National Guard: February 18, 1924 Flower: Bluebonnets (Lupinus spp., namely Texas bluebonnet, L. texensis and sandy land bluebonnet L. subcarnosus) [1] March 1901 [3] Tree: Pecan (Carya illinoinensis ...
The origin of Oryza sativa rice domestication has been a subject of much debate among those who study crop history and anthropology – whether rice originated in India or China. [39] [40] Asian rice, Oryza sativa, is one of oldest crop species. It has tens of thousands of varieties and two major subspecies, japonica and indica.
A floral diagram is a schematic cross-section through a young flower. [ 1 ] It may be also defined as “projection of the flower perpendicular to its axis”. [ 3 ] It usually shows the number of floral parts, [ Note 2 ] their sizes, relative positions and fusion. Different organs are represented by distinguishable symbols, which may be ...
An inflorescence, in a flowering plant, is a group or cluster of flowers arranged on a stem that is composed of a main branch or a system of branches. [1] An inflorescence is categorized on the basis of the arrangement of flowers on a main axis (peduncle) and by the timing of its flowering (determinate and indeterminate). [2]