Table 1 Comparison of Begonia longa C.-I Peng & W.C. Leong and B. brevipedunculata Y.M. Shui

Rhizome and habit

Elongate to 50 cm long, internodes 1–5 cm long

Short, ca. 2.5 cm long, leaves caespitose

Petioles

(2–)5–14 cm long

17–24 cm long

Leaves

(4–)6–16 cm long, (2.5–)3.5–8 cm wide

15–19 cm long, 7–10 cm wide

Indumentum on leaf abaxial surface

Villous along veins

Densely clothed with clavate glandular hairs

Peduncle

13-25 cm long

Very short, 2–4 cm long

Ovarian locules

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