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(First upload on November 8 2013. Last on October 15 2024) [ 日本語 | English ]

Damnacanthus C. F. Gaertn. (アリドオシ) Aridooshi (アリドオシ, 蟻通, s.l.), Indian damnacanthus Lifeform: evergreen shrub < 60 cm in height Distribution: India - southeastern Asia - Korea - Japan (south to Kanto District) Habitat: floors of evergreen borad-leaved forest → volcanoes (火山) Length of spine ≥ leaf with 7-20 mm long Fruit: red → animal dispersal Chromosome number: 2n = 22 or 44 var. indicus (アリドオシ) Synonyms: Damnacanthus major Siebold et Zucc. var. parvifolius Koidz.

f. microphyllus Makino (ヒメアリドオシ), dwarf form, well-branched stems, small leaves, Kii Peninsula - Kyushu Island Region var. intermedius Matsum. (ビシンジュズネノキ), few spines var. lancifolius Makino (ホソバオオアリドオシ): slim leaf, spine < 1/2 of leaf in length f. oblongus (Koidz.) Sugim. (コバンバニセジュズネノキ) var. major (Siebold et Zucc.) Makino (オオアリドオシ), spine < 1/2 of leaf in length var. okinawensis Hatus. (ヤンバルアリドオシ/リュウキュウジュズネノキ), endemic to Ryukyu (syn. D. × okinawensis Hatus.)

Damnacanthus indicus in Japan

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var. indicus (アリドオシ)

1 2
[1/2] in Miyake Island (三宅島) on November 17 1988.

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var. indicus f. microphyllus Makino (ヒメアリドオシ)

1 2
near Sanjuu-san-hiro-no-taki Falls (三十三尋の壺) towards Hyakkennzan Canyons (百間山渓谷), Wakayama Prefecture, on June 26 2024.