Siderasis fuscata
Siderasis fuscata (Lodd.) H.E.Moore
Siderasis fuscata is a terrestrial herb in the family Commelinaceae, characterized by its reddish-brown hairs and succulent, spotted leaves. It is found in Brazil, Taiwan, and Java, with a height of approximately 20-30 cm. The plant features fibrous roots and subterranean rhizomes. Its aerial stems are short and unbranched, with leaves arranged in a rosette. The leaves have elongated petioles with a C-shaped cross-section and are elliptic to obovate in shape. The species name refers to the dark coloration of the plant's hairs, distinguishing it from other members of the family.
Description
Siderasis fuscata is a herbaceous plant in the Commelinaceae family, reaching about 20-30 cm in height. It has thin, fibrous roots and subterranean rhizomes with elongated internodes. The subterranean stems are brownish-vinaceous with white spots and reddish-brown hairs. Aerial stems are short and unbranched, with elongated internodes covered in reddish-brown hairs. Leaves are spirally arranged, forming a rosette at the stem apex. Petioles are 2.7-11.4 cm long, C-shaped in cross-section, and covered in red to dark red hairs. The blade is elliptic to obovate, 7.8-23.6 cm long, with a cuneate base and acute to rounded apex. The adaxial surface is dark green with silver to light green midvein markings, while the abaxial surface is light green with dense vinaceous spots. The species is named for its dark-colored hairs, a distinguishing feature compared to the typically hyaline hairs in the family.
Distribution
BR · TW · Brazil Southeast · Jawa
Synonyms
Pyrrheima fuscatumPyrrheima loddigesiiPyrrheima minusSiderasis acaulesTradescantia fuscataTradescantia hirsutissimaPyrrheima loddigesii var. minus