Lysimachia peduncularis Wall. ex Kurz

Herbs annual(?), 5--30 cm tall. Stems erect or arcuate at base, striate or weakly angular; branches usually few, above middle. Leaves spirally arranged, ± crowded toward apex of stem; petiole 5--10 mm; leaf blade lanceolate, 15--45 X 5--10 mm, strigillose adaxially and along midvein abaxially, base cuneate-attenuate, apex acute to short acuminate; veins 5--7 pairs; veinlets invisible. Pedicel 2.5--4.5 cm, glabrous. Flowers solitary, axillary, confined to upper part of plant. Calyx lobes oblong-lanceolate, 3--5 mm, short acuminate to acute. Corolla pale yellow, 3--4 mm, parted to middle; lobes elliptic, apex acute. Filaments connate basally into a ca. 0.5 mm high ring, free parts 1.5--2.5 mm; anthers indistinctly dorsifixed to nearly basifixed, opening by lateral slits, erect, ca. 0.5 mm. Capsule slightly shorter than calyx, 5-valved. Fl. Aug.

Open forests, on limestone rocks, roadsides. S Yunnan (Menglian Xian) [Cambodia, India, Malaysia, Myanmar, Thailand, Vietnam].