Common name: Common Rock-rose
Scientific name: Helianthemum nummularium 岩玫瑰、普通岩薔薇、歐洲岩薔薇、大花半日花、舖地半日花、絨毛半日花、比利牛斯半日花、半日花
Genus: Helianthemum 岩薔薇屬、半日花屬、
Family: Cistaceae 半日花科, rock-rose family
Remarks*:
Origin: native
Date: 8th June
25 A creeping woody perennial, can reach up to 30 cm.
3 Leaves sparsely hairy above, with 1 obvious vein.
12 Leaves under flash.
22 Leaves densely white-pubescent beneath. Stipules narrow, 2 times as long as petiole.
23 Lower part of the stem, with leaves dropped.
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14
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17 Sepals unequal, 2 outer smaller, 3 inner bigger.
16 Flower 2-2.5 cm across, petals bright yellow. Numerous stamens, Style more or less straight.
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