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Massonia
''Massonia'' is a genus of bulbous perennials in the family Asparagaceae, subfamily Scilloideae (also treated as the family Hyacinthaceae). It is native to southern Africa, and is found in localities such as Namaqualand with hot and dry summers, being dormant in summer and growing during winter. 〔http://www.alpinegardensociety.net/plants/plant-portraits/Massonia+pustulata+plant+of+the+month+Dec+/100/〕
The genus ''Whiteheadia'' has been merged into ''Massonia''.〔Müller-Doblies, U. & Müller-Doblies, D. (1997). A partial revision of the tribe Massonieae (Hyacinthaceae) 1. Survey, including three novelties from Namibia: a new genus, a second species in the monotypic ''Whiteheadia'', and a new combination in ''Massonia''. Feddes Repertorium 108: 49-96.〕 It is classed as a cryptophyte.
==Description==
''Massonia'' grows from underground bulbs whose outer tunic is pale brown and papery or leathery. Two relatively broad leaves appear at the same time as the flowers, spreading out on either side, sometimes lying flat on the ground. The flowers are borne in a raceme, which may be short and held at ground level. There may be a "tuft" of green bracts at the top of the inflorescence. Individual flowers are pale in colour, white, or with green, yellow or pink tones. They are bell-shaped or somewhat tubular, with the tepals joined at the base forming a short or long tube. The stamens are more-or-less erect, with their filaments joined to the end of the tube formed by the tepals and also to each other, forming a small cup. The seeds are dull black.
The species ''Massonia depressa'' has been shown to be pollinated by rodents, including two species of gerbil (''Gerbillurus paeba'' and ''Desmodillus auricularis''). Very few species of plant are rodent-pollinated.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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