Morphological characteristics
Pinellia is a perennial herb of Araceae. 15 ~ 35cm high, tubers nearly spherical, diameter 0.5 ~ 3.0cm, basal leaves 1 ~ 4, leaves from the top of the tuber, petiole length 5 ~ 25cm, petiole lower part of a white or brown buds, diameter 3 ~ 8cm, occasionally leaves The base also has a white or brown bead bud, 2 to 4 mm in diameter. Flowers unisexual. Female flowers below inflorescence axis. No flowers. Pistils 20 to 70. Style short. ~ 7mm, during which the flame spade enclosing a small hole with a diameter of 1mm, connected up and down, the inflorescence end caudate, sticking out the spathe, green or purple, upright, or "S"-shaped curve.
Tubers spherical, 1-2 cm in diam., with fibrous roots. 2-5 leaves, sometimes 1 leaf. Petiole 15-20 cm long, base sheathed, sheaths, sheaths above or leaf base (petiopalveopod head) 3-5 mm in diameter buds, buds germinate on the mother plant or landing after germination; seedling leaves ovate heart-shaped To squat, single leaf, 2-3 cm long, 2-2.5 cm wide; leaf blade 3 old, lobes green, pale, oblong or lanceolate, 2-acute, middle lobe Length 3-10 cm, width 1-3 cm; lateral lobes slightly shorter; entire or inconspicuously shallowly corrugated crenulate, lateral veins 8-10 pairs, thin, finely veined reticulate, dense, collecting 2 turns. Inflorescence stalks 25-30(-35) cm long, longer than petiole. The flames are green or greenish white, with a narrow, cylindrical tube, 1.5-2 cm long; the oysters are round, green, and sometimes purplish-purple, 4-5 cm long, 1.5 cm wide, blunt or acute. Panicle inflorescences: female inflorescences 2 cm long, male inflorescences 5-7 mm long, 3 mm apart; appendages green to purple-blue, 6-10 cm long, erect, sometimes "S"-shaped. Berry ovate, yellow-green, apex attenuate into distinct styles. Flowering from May to July, fruit ripening in August.
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