Local Name: Botanical Name: Family: Found in Zone No.
ตีนตุ๊กแก Tridax procumbens L. COMPOSITAE (ASTERACEAE) 3, 4
Descriptions : Herb Ascendent herb, rooting at nodes; hairs on stem; leaves opposite, thick, petioloate, elliptic or ovate or sometimes 2 or 3 lobed; serrate with large teeth; base with decurrent margin; upper and lower leaf surface with bristly hairs; inflorescence a head borne on a long, erect peduncle; peduncle up to 23 cm long, with hairs; involucre of 1-2 rows of bracts; bracts narrowly to broadly ovate or elliptic, apex acuminate, hairy outside; receptacular bracts (pales) present; ray flowers unisexual, in one marginal row, approximately 4-6; pappus a ring of feather-like bristles; corolla a narrow, yellowish tube abruptly opening into a whitish tridentate or sometimes bidendate ray; ovary inferior, flattened, covered with appressed hairs; style filiform; stigma 2-lobed; disc flowers many; pappus a ring of feather-like bristles; corolla yellow, tube expanding distally, 5 lobes, inside of lobes papillate(?); ovary inferior, ±
cylindrical, with appressed hairs, style filiform; stigma 2-lobed; stamens 5, anthers introrse, with acute apical appendage, and sagittate base; anthers partly exsert; involucral and receptacular bracts persistent, even after fruits released.
