Northeastern Asian Flora
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Rubus microphyllus L.f.   (redirected from: Rubus incisus var. microphyllus (Koidz.) Koidz.)
Family: Rosaceae
[Rubus corchorifolius var. incisus (Thunb.) Kuntze, moreRubus corchorifolius var. pseudoincisus (Kuntze) Kuntze, Rubus geifoiius Kuntze, Rubus grossularius H.L?. & Vaniot, Rubus incisus Thunb., Rubus incisus f. geifoiius (Kuntze) Matsum., Rubus incisus f. proprius Koidz., Rubus incisus f. pseudoincisus (Kuntze) Matsum., Rubus incisus var. euincisus (Koidz.) Koidz., Rubus incisus var. geifolius (Kuntze) Koidz., Rubus incisus var. microphyllus (Koidz.) Koidz., Rubus incisus var. proprius Koidz., Rubus microphyllus f. miyakei Naruh., Rubus microphyllus f. plenus T.Yamanaka, Rubus microphyllus var. incisus (Thunb.) Koidz., Rubus microphyllus var. parvifolius Koidz., Rubus pseudoincisus Kuntze, Rubus vinaceus T.Yamanaka & Momiy.]
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  • Japan Flora
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Japan Flora: Shrub with rather slender branches usually pur­plish brown, with rather slender prickles, more or less glau- cescent, the fertile branchlets scarcely elongate, 2- to 4-leaved toward base; leaves ovate to orbicular, 2-5 cm. long, 1.5-4 cm. wide, rounded to acute at apex, rounded to cordate at base, usually shallowly 3-lobed, toothed, distinctly glaucous beneath, the petioles sometimes slightly pubescent on the upper side; flowers 1 (-3) on reddish purple pedicels 1-2.5 cm. long; calyx glabrous, 5-7 mm. long, reddish purple, the segments densely white-tomentose inside; petals white, 10-12 mm. long; fruit enclosed in a persistent calyx, red; stones pitted. Apr,May. Low mountains; Honshu, Shikoku, Kyushu; common. China.

var. subcrataegifolius (Lev. & Van’t.〉Ohwi. Similar to the typical phase but larger, with few slender prickles, the fertile branchlets slightly elon­gate, to 7-15 cm. long; leaves 4-8 cm. long, acuminate, 3- lobed; flowers 1-3; calyx-segments caudately acuminate. Nfay-June. Mountains; Honshu; rather common.

Rubus microphyllus
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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