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Cistus chinamadensis
''Cistus chinamadensis'' is a shrubby species of flowering plant in the family Cistaceae, with purple-pink flowers, first described in 1991. It is endemic to the Canary Islands, where three subspecies occur on three separate islands (Tenerife, La Gomera and El Hierro). The species has been assessed as endangered in the IUCN Red List, being known only from small separated areas and facing a variety of threats.
==Description==
''Cistus chinamadensis'' is a shrub, usually tall. The woody stems have dark brown bark that easily frays and strips off. The upper branches have a dense velvety covering of fine hairs (indumentum), beige to off-white in colour. The oppositely arranged leaves are light green (in subsp. ''gomerae'') or greyish green (in subsp. ''chinamadensis''), around long by wide, with a pointed tip. The leaves have three prominent veins. Opposite pairs of leaves are joined together at the base by a long sheath, the outside of which is furrowed and the inside covered in hairs (as is the outside in subsp. ''gomerae''). The upper sides of the leaves are more-or-less smooth, the lower sides rough and reticulate, to a varying degree between the subspecies.〔
The flowers are arranged in open, slightly branched cymes, with 4–8 flowers to each inflorescence. The sepals have a short tooth, up to long, at the apex and are of two distinct sizes. Two outer sepals are around long by wide; three inner sepals are considerably larger, around long by wide. The petals are pink with yellowish bases, more-or-less rounded, about long and wide. The yellow stamens are somewhat shorter than the sepals. The ovary is high, topped by a style about long. In its native habitat, ''C. chinamadenis'' flowers in May and produces seeds in June to July.〔
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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