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Table 2 Comparison of Begonia longiornithophylla with B. ornithophylla and B. auritistipula

From: Six new species of Begonia from Guangxi, China

 

Begonia longiornithophylla

B. ornithophylla

B. auritistipula

Rhizome

Elongated, 6–12 mm thick, internodes 3–9 cm long, densely villous

Not elongated, 5–12 mm thick, internodes 0.6–1.5 cm long, glabrous

Elongated, 3–6 mm thick, internodes 2–6 cm long, sparesly hirsute-villous

Stipule

Red, boat-shaped, strongly keeled, villous along midrib, margin ciliate

Yellow-green with reddish veins, triangular, keeled, sparsely villous along midrib, margin entire

Yellow-green with reddish veins, broadly ovate, base obliquely auriculate, margin entire

Petiole

Villous to tomentose

Villous to tomentose

Reflexed hirsute

Leaf

 Adaxial surface

Scabrid and glandular punctate

Scabrid and glandular punctate

Setulose

 Abaxial surface

Red-scabrous on veins

Villous on veins

Hirsute-pilose on veins

 Texture

Subcoriaceous

Subcoriaceous

Papery

 Margin

Crenulate and ciliate

Coarsely serrate or subentire

Serrulate and ciliate

 Maculation

Lacking

Lacking

Brownish between primary veins

Inflorescence

 Peduncle

Glandular-pilose

Pilose

Glabrous

 Abaxial surface of outer tepals

Red-pilose

Glabrous or nearly so

Glabrous or nearly so