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Zingiber porphyrochilum Y.H. Tan & H.B. Ding sp. nova (Zingiberaceae) from Yunnan, China is described and illustrated. It is similar to Z. densissimum in its bilobed ligule and flower shape but differs from it by having a longer clumped pseudostem (1.5–2.5 m tall vs. solitary, 0.4–0.7 m tall), longer ligules (3–11 mm long vs. ca. 3 mm long), brownish yellow corolla lobes (vs. pure white), labellum and lateral staminodes brownish yellow at the base, and bright clear red to dark purplish towards the apex and margins (vs. pure white).

Celasirus yuloensis X.Y. Mu, a new species of Celastraceae from the seasonal rainforest of southern Yunnan Province, China, is described and illustrated. The new species is morphologically similar to C. hirsutus, but differs in the prominent spine-like bud scales, elliptic-oblong leaves pubescent only on the veins, axillary long panicle inflorescences, and upper half articulation on stalks.

Canthium longipetalum Y.H. Tan & S.S. Zhou, a new species of Rubiaceae from Putao, Kachin State, Myanmar, is described and illustrated. It is morphologically similar to C. neilgherrense which has ca. 3 mm long pedicels and corolla lobes, but differs from it by having 2.5–3.2 cm long pedicels and 1.2–1.4 cm long corolla lobes.