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| Sida conduplicata H.Sant. & Felayati, in Santoso, Putra et Felayati, 2026. |
Abstract
Sida conduplicata H.Sant. & Felayati (Malvaceae) is described as a new species from East Java, Indonesia. It is similar to S. rhombifolia var. maderensis in having a single awn on the mericarp, but differs from it by a set of diagnostic morphological characters such as habit, leaf apex and surface of the mericarp. We provide an identification key to the species of Sida known from Java.
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| Sida conduplicata. — A: Habit. — B: Flowering twig. — C: Leaf (lower surface on the left, upper on the right). — D: Pedicel with calyx. — E: Flower, front view. — F: Schizocarp. — G: Mericarp. A, B and F photographed at the type locality on 21 January 2025; C–E and G from the holotype. |
Sida conduplicata H.Sant. & Felayati, sp. nova
Etymology. The specific epithet conduplicata refers to the leaves, which are folded up along the midrib.
Heri Santoso, Ferdiansyah Rizky Putra and Themas Felayati. 2026. Sida conduplicata (Malvaceae), a New Species from Java, Indonesia. Annales Botanici Fennici. 62(1); 37-41. DOI: doi.org/10.5735/085.063.0106 (13 March 2026)
