Tuesday, 23 May 2023

Sherardia arvensis 雪亞迪草、田茜

Common name: Field Madder
Scientific name: Sherardia arvensis 雪亞迪草、田茜
Genus: Sherardia 雪亞迪草屬
Family: Rubiaceae 茜草科, coffee, madder or bedstraw family

Remarks*: 

Origin: native

Date: 21st May

91 A prostrate, glabrous annual, can reach up to 40 cm. Stems spreading.


93 Leaves 4-6 (including stipules) per whorl, margins with forward-pointing prickles.


85

87 Flowers 3 mm across, in dense clusters with ring of 8-10 leaf-like bracts below; calyx of 4 distinct teeth, corolla 4-5 mm, mauve-lilac, funnel-shaped, tube about 2 times as long as lobes.

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