广东里白 guang dong li bai

Gleichenia cantonensis Ching, Lingnan Sci. J. 15: 391. 1936; Dicranopteris cantonensis (Ching) Ching; Hicriopteris cantonensis (Ching) Ching.

Plants ca. 3 m tall. Rhizomes creeping. Fronds 2-pinnate; pinnae opposite, oblong, 40-70 × 30-40 cm; pinnules alternate or subopposite, 30-40 on each side, deeply pinnatisect, linear-lanceolate, 25-30 × 3-4 cm, base broadly cuneate, apex long acuminate; lobes alternate, 60-70 on each side, obliquely spreading, linear, 15-20 × ca. 2 mm, apex obtuse; lamina thickly papery, glaucous abaxially, glabrous; costae flat adaxially; veins obscure on both surfaces. Sori with 2-4 sporangia.

● Guangdong (Huangpu, Shenzhen, Xinyi), Hainan, S Jiangxi (Longnan).