Arisaema echinoides (Araceae)
Tuber subglobose, ca. 2cm in diam., stoloniferous. Cataphylls membranous, acute at apex. Leaf solitary; petiole ca. 24cm, proximally forming pseudostem; leaf blade radiate; leaflets 9, sessile, oblanceolate, 13–16 × 2–3cm, base cuneate, apex acuminate. Peduncle shorter than petioles, ca. 10cm. Spathe tube purple with numerous longitudinal white stripes, cylindric, ca. 5.1cm, broadly auriculate and recurved at throat; limb dark purple with white midrib, oblong-ovate, ca. 7 × 4cm, base slightly constricted, apex abruptly acuminate; pinnate veins 4 or 5 on each side, ascending and connected into intramarginal vein remote from margin for 2–3mm. Spadix white, unisexual; female zone conic, ca. 1.8cm × 7mm, flowers dense; male zone ca. 1.8cm; synandria sessile; anthers 2 or 3, globose, dehiscing by apical pores. Appendix erect, ca. 3cm × 5–7mm, thickened, base truncate and stipitate, apex obtuse and densely echinate; stipe ca. 7 × 3mm.
This material was reprinted with permission from the Missouri Botanical Garden Press, St. Louis, and Science Press, Beijing.
This material was reprinted with permission from the Missouri Botanical Garden Press, St. Louis, and Science Press, Beijing.
Forests, thickets, in shade.