Clematis williamsii




Family Ranunculaceae
Subfamily Ranunculoideae
Tribe Anemoneae
Scientific name Clematis williamsii A. Gray
Synonyms Clematopsis williamsii (A.Gray) Tobe
Common name (Japanese common name) shirobana-hanshodzuru (シロバナハンショウヅル or シロバナハンショウズル, 白花半鐘蔓 [meaning: white flowering alrm bells vine])
(English common name) none
Distribution (Japan) Honshu (Pacific Ocean, west of Kanto region), Shikoku, Kyushu
(Other nations) none
Habitat Mountane foprest (mainly in limestome area)
Chromosomal number unknown
Description Leaves ternate, leaflets each 3-8cm long, 1-3.5cm wide. Flowers 4 white calyx lobes each 13-20mm long, flowering in April to June. Fruits ca. 4mm long. Vine. Shrub or subshrub.



May 2007
at Tsukuba Botanical Garden
May 2007
at Tsukuba Botanical Garden
May 2007
at Tsukuba Botanical Garden



April 2008
at Kochi Prefecture
Makino Botanical Garden
April 2008
at Kochi Prefecture
Makino Botanical Garden
April 2008
at Kochi Prefecture
Makino Botanical Garden