硕羽新月蕨 shuo yu xin yue jue

Plants ca. 1.5 m tall. Rhizomes not seen. Stipes 70-90 cm, stramineous, with appressed setae; laminae oblong, ca. 90 × 40-50 cm, 1-imparipinnate; lateral pinnae 8-11 pairs, alternate, obliquely spreading, sessile, proximal pair slightly reduced; middle pinnae oblong-lanceolate, 25-35 × ca. 6 cm, broadly cuneate at bases, obviously crenate along margins, acuminate at apices; distal pinnae becoming smaller; terminal pinna of similar shape and size as middle ones, bases not symmetrical and long stalked. Veins visible adaxially, obviously raised abaxially, costae grooved adaxially, veinlets slightly raised, obliquely spreading and parallel, proximal pair of veinlets joining into triangular areoles, distally every pair joining with excurrent veinlet into subrectangular areoles. Laminae herbaceous when dry, green, greenish, or yellow-green, adaxially glabrous except for appressed setae along grooves of costae, elsewhere, abaxial surface with dense acicular long hairs along veins and also slightly foveolate on intercostal areas. Sori orbicular, attached on middle of veinlets; indusia and sporangia hairy.

● Forests by streams; 500-800 m. NW Guangxi, S Yunnan.