Biophytum intermedium Wight, Ill. Ind. Bot.

Daniel, Jisha, Kumar, Ettickal Sukumaran Santhosh, Rajendraprasad, Madhavan & Decruse, Sabarimuthan William, 2024, Taxonomic and Nomenclatural notes on Biophytum madurense, B. intermedium and B. intermedium var. pulneyense (Oxalidaceae) from South India, Phytotaxa 663 (4), pp. 240-246 : 243-245

publication ID	https://doi.org/10.11646/phytotaxa.663.4.6
DOI	https://doi.org/10.5281/zenodo.14515620
persistent identifier	https://treatment.plazi.org/id/03A4DB7E-E23E-FF8B-9EC8-65EC84B49A9D
treatment provided by	Felipe
scientific name	Biophytum intermedium Wight, Ill. Ind. Bot.
status

Treatment

Biophytum intermedium Wight, Ill. Ind. Bot. View in CoL 1: 162. 1840.

Type :— SRI LANKA (Ceylon), 1838, Thwaites CP6 ( P02440400 , P!, neotype designated here; isoneotypes at P, K, W!) .

Description:— Dassanayake (1999: 184).

Erect undershrub up to 120 cm tall, profusely branching with forked stems and branches often in whorls, forming rosette leaves. Young stems glandular pubescent with a zone of retrorse hairs below each rosette of leaves. Leaves with 10–25 jugate; basal 1.5–2 × 1.5–2 mm, ovate–deltoid, median 3–12 × 3–7 mm, oblong, terminal 6–12 × 4–8 mm broadly ovate, slightly overlapping. Petiole 5–10 mm long, reddish glandular pubescent. Rachis 2.5–8 cm, glandular pubescent. Peduncle axillary, 3.5–5.5 cm long, densely glandular hairy. Bracts 2mm long, narrowly ovate, ciliate; bracteole 1 mm long deltoid, glandular pubescent. Pedicel 4–6 mm, glandular pubescent; sepals 3–4 mm long green with 5 veins; petals 9–10 mm long, spathulate, rounded at apex; stamen 10, longer filaments 2.5–3.5mm, pubescent; shorter filaments 1–1.5 mm, glabrous; pistil 3–5 mm long, ovary deeply furrowed, style glandular pubescent, stigma shortly branched; seeds 1 mm long, brown, ovoid, tubercled.

The major differences between Biophytum intermedium and B. madurense are given below: