Millennium morphological features
Morphological characteristics
Herbs perennial. Root pods, 1.5 cm thick, fleshy roots cylindrical, ca. 3-4 mm thick, densely pale brown short-villi, fibrous roots sparsely fibrous. Often upright stalks 30-50 cm tall. Scales linear-lanceolate, 15-16 cm long, 2.5 cm wide at base, tapering upward, acute. Petiole 25-40 cm long, lower sheath with 3-5 mm in width; leaf blade membranous to papery, arrow-shaped heart-shaped to heart-shaped, 15-30 cm long, wide (8-)15-28 cm, sometimes more Large, with apices sharply acuminate; Class I lateral veins 7 pairs, of which 3-4 pairs base out, rearward lobes sloping and then the arc increases, the upper oblique stretch, II, III side of the majority of the lateral pulse, nearly parallel, Weak. Inflorescences 1-3, scales of scaly leaves, stalks shorter than petiole, 10-15 cm long. The flames are greenish-white, oval to elliptical, 5-6.5 cm long, swept into a spindle shape before flowering, 3-3.2 cm thick, slightly snaking up into a short boat at full bloom, artificially flattened and 5-6 cm wide , with a length of about 1 cm. Panicles with short stalks or not, 3-5 cm long; female inflorescences 1-1.5 cm long, 4-5 mm thick; male inflorescences 2-3 cm long, 3-4 mm thick. Ovary oblong, base with 1 pseudo-stamen, stigma discoid; ovary 3 cells, ovule majority, born in the axial placenta. Seeds brown, oblong. Flowering from July to September.
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