Araceae (PDF)

ARACEAE 67stripes above neuter flowers, apex white-green, rounded, evenor spongy; neuter flowers upcurved, green, 3–4 mm, numerousin female spadix only. Infructescence cylindric, ca. 5 × 1.5–2.5cm, borne on a nodding peduncle. Berries dense, red-orangewith black stigmatic remains, ca. 7 × 3 mm, 1- or 2-seeded.Seeds globose, ca. 2 mm; testa cream-colored. Fl. May–Jun, fr.Oct.Mountain forests along roadsides, sometimes growing as anepiphyte on mossy tree trunks; 1200–2500 m. S Yunnan [N Thailand].71. Arisaema echinatum (Wallich) Schott in Schott &Endlicher, Melet. Bot. 17. 1832.刺 棒 南 星 ci bang nan xingArum echinatum Wallich, Pl. Asiat. Rar. 2: 30. 1831.Tuber depressed globose, 2–4 cm in diam. Cataphylls2, green, 4–20 cm. Cataphylls, petiole, and peduncle green,unmarked. Leaf solitary; petiole ca. 30 cm, basal ca. 6 cmsheathing into pseudostem; leaf blade radiate; leaflets 7–11,sessile, glaucous abaxially, green adaxially, narrowly elliptic oroblanceolate, unequal, attenuate to base, apex long acuminate,sometimes caudate with a short filiform tail; central leaflet ca.12.5 × 2.8 cm; outer leaflets 7–8.5 × ca. 1.4 cm. Peduncleemerging from petiole sheath, much shorter than petioles, ca. 17cm. Spathe green, not marked by spots or stripes; tube cylindric,ca. 5.5 × 1.5 cm, slightly recurved at throat; limb slightlyoutcurved at base, otherwise incurved, ovate, ca. 8 × 5 cm, longcaudate, with filiform tail to 8 cm. Spadix unisexual; femalezone conic, ca. 2.3 × 1.4 cm, flowers dense; ovary green, subglobose;stigma punctate, violet; male zone 1.5–3 cm, 3–5 mmin diam. at base; synandria lax; anthers 4, dehiscing by apicalpores. Appendix green, cylindric, ca. 4 cm × 5–6 mm, baseabruptly narrowed and stipitate, apex obtuse and echinate; stipeca. 5 mm. Fl. Jun.Forested slopes; 2600–3100 m. S and SE Xizang (Gyirong,Nyingchi, Zayü), W Yunnan (Baoshan, Gaoligong Shan, Lijiang) [Bhutan,India (Sikkim), Nepal].Himalayan plants differ from those in Gaoligong Shan in havingthe spathe green, white striped outside, and dark purple inside.72. Arisaema echinoides H. Li, Kew Bull. 55: 425. 2000.拟 刺 棒 南 星 ni ci bang nan xingTuber subglobose, ca. 2 cm in diam., stoloniferous. Cataphyllsmembranous, acute at apex. Leaf solitary; petiole ca. 24cm, proximally forming pseudostem; leaf blade radiate; leaflets9, sessile, oblanceolate, 13–16 × 2–3 cm, base cuneate, apexacuminate. Peduncle shorter than petioles, ca. 10 cm. Spathetube purple with numerous longitudinal white stripes, cylindric,ca. 5.1 cm, broadly auriculate and recurved at throat; limb darkpurple with white midrib, oblong-ovate, ca. 7 × 4 cm, baseslightly constricted, apex abruptly acuminate; pinnate veins 4 or5 on each side, ascending and connected into intramarginal veinremote from margin for 2–3 mm. Spadix white, unisexual; femalezone conic, ca. 1.8 cm × 7 mm, flowers dense; male zoneca. 1.8 cm; synandria sessile; anthers 2 or 3, globose, dehiscingby apical pores. Appendix erect, ca. 3 cm × 5–7 mm, thickened,base truncate and stipitate, apex obtuse and densely echinate;stipe ca. 7 × 3 mm. Fl. May–Jun.● Forests, thickets, in shade; 2900–3300 m. NW Yunnan(Lijiang).73. Arisaema ciliatum H. Li, Acta Phytotax. Sin. 15(2): 108.1977.缘 毛 南 星 yuan mao nan xingArisaema ciliatum var. liubaense Gusman & Gouda.Tuber depressed globose, 2–2.5 cm in diam., stoloniferous.Cataphylls 3, 10–20 cm, membranous. Cataphylls, petiole, andpeduncle green, occasionally purplish, unmarked. Leaf solitary;petiole 20–70 cm, basal 15–40 cm sheathing into pseudostem;leaf blade radiate; leaflets 11–14, sessile, narrowly elliptic, basecuneate, apex acuminate and caudate. Peduncle shorter thanpetioles, 20–50 × 1.2–1.4 cm. Spathe purple or dark purple,with numerous white stripes, or green; tube cylindric, 4–5 × 1–1.2 cm, throat obliquely truncate, not auriculate, ciliate; limbsuberect to incurved, narrowly lanceolate, 4.5–5.5 × 2.1–4 cm,apex long acuminate and caudate with violet filiform tail 2–5cm. Spadix unisexual; female zone conic, ca. 1.5 cm, ca. 7 mmin diam. at base; ovary green; style conic; stigma purple, punctate;male zone narrowly conic, 2–3 cm, ca. 3 mm in diam. atbase; synandria lax, shortly stipitate; anthers 2 or 3, yellow,dehiscing by apical pores. Appendix erect, violet, occasionallygreenish, cylindric, 3.2–5.5 cm × 3–4 mm, gradually narrowedto base, apex obtuse and verrucose, with acute neuter flowerson proximal part. Infructescence nodding. Fl. Jun.● Pinus forests, Quercus thickets, grasslands; 2600–3600 m.Sichuan (Baoxing, Gongga Shan), NW Yunnan (Lijiang, Zhongdian).74. Arisaema erubescens (Wallich) Schott in Schott &Endlicher, Melet. Bot. 17. 1832.一 把 伞 南 星 yi ba san nan xingArum erubescens Wallich, Pl. Asiat. Rar. 2: 30. 1831;Arisaema alienatum Schott var. formosanum Hayata; A. biradiatifoliatumKitamura; A. brevipes Engler; A. consanguineumSchott; A. consanguineum subsp. kelung-insulare (Hayata)Gusman; A. erubescens var. consanguineum (Schott) Engler; A.formosanum (Hayata) Hayata; A. formosanum var. bicolorifoliumT. C. Huang; A. formosanum f. stenophyllum Hayata; A.fraternum Schott; A. hypoglaucum Craib; A. kelung-insulareHayata; A. kerrii Craib (1912); A. kerrii Gagnepain (1941); A.linearifolium J. T. Yin & Gusman; A. oblanceolatum Kitamura;A. tatarinowii Schott; A. undulatum K. Krause; A. vituperatumSchott.Tuber depressed globose, 2–7 cm in diam. Cataphylls 3,dark green, with whitish striae or spots, to 55 cm, acute at apex.Petiole and peduncle green, smooth, unmarked. Leaf solitary,occasionally 2; petiole to 100 × ca. 2 cm, proximal ca. 50 cmsheathing into pseudostem; leaf blade radiate; leaflets 18–23,sessile, green abaxially, dull green adaxially, narrowly ellipticor narrowly linear, 16–28 cm × 2–20 mm, base cuneate, apexlong acuminate and caudate, with filiform tail 7–10 cm; veinsraised abaxially, impressed adaxially; lateral veins numerous,obliquely ascending. Peduncle shorter than petioles, to 75 cm,free part ca. 9 cm. Spathe green, with indistinct whitish stripesor not; tube cylindric, 6–7 × ca. 1.5 cm, auriculate and recurved