首页分享黑花蜘蛛抱蛋 Aspidistra larutensis

黑花蜘蛛抱蛋 Aspidistra larutensis

来源：花匠小妙招时间：2024-11-25 23:08

形态特征：Herbs perennial, evergreen, rhizomatous, completely glabrous, 50–100 cm tall. Rhizome creeping, subterete, 9–15 mm thick, covered with scales, nodes dense, with many grey roots. Cataphylls dull light brownish, to 11 cm long, splitting into irregular fibres, enveloping base of petiole. Foliage leaves 2–6 tufted, not easy divided into petiole and lamina, leaf gradually narrowing to base, leaf base (pseudo- petiole) stiffly erect, dark to light green, adaxially sulcate, 2–20 cm long; leaf blade dark to light green, without spots, linear, 32–80 cm long, 1.2–3.2 cm wide, margin finely serrate, midvein protruding abaxially and sunken adaxially, with 3–5 secondary veins at each sides of the midvein, apex attenuate, base cuneate. Peduncle (specialized reproductive shoot) decumbent, creamy white or light green with sparse purple spots, 1.2–2.8 cm long, with several widely ovate bracts, bracts gradually wider from base to top of peduncle, the 3 uppermost at base of perigone broadly ovate, light green with purple- red spots, 4–8 × 5–13 mm, obtuse at apex. Flower solitary at top of peduncle. Perigone campanulate, fleshy, 15–18 mm long, 15–20 mm in diameter; perigone tube 7–10 mm long, 1.5–2 mm thick, outside with 12 conspicuous keels, finely verruculose, blackish purple or purplish red to almost black on both surface; perigone lobes 6, subequal, triangular, 7–9 mm long, 7–11 mm broad at base, apex tapering into acute and usually recurved, blackish purple or purplish red to almost black on both surface, adaxially densely papillose and scabrous, each lobes with 4 conspicuous keels, abaxially finely verruculose. Stamens 6, anthers sessile, inserted at base of perigone tube, posited lower than stigma; anthers yellow, 2.5–3 mm long, 2–2.5 mm wide. Pistil mushroom-shaped, style creamy white, cylindrical, broadening to the apex and the base; stigma creamy white or brownish yellow on both surface, with purple spots or blackish purple along margin below, peltate, swelled, 10– 15 mm in diameter, central convex, finely papillose, 3- lobed at margin, lobes emarginate at apex, upper surface of stigma with 3 white straight radial grooves and 3 bifurcated radial grooves from center to margin. Ovary inconspicuous, superior. Fruits are unknown.