Arum dioscoridis

Arum dioscoridis

Tirşik pancarı

Tuber vertical. Petiole of leaves 18-50 cm. Lamina broadly to narrowly±elongate-hastate, 13-33 x 9-25 cm. Scape 3.5-45 cm, subequal to or much shorter than petioles. Spathe 13-36 cm; tube 3-7 cm, greenish or purplish outside, whitish within, sometimes tinged pink or purple above within; lamina· 8.8-25.5 x 2-9 cm, lanceolate, with ± long-acuminate apex, greenish outside , stained or blotched with purple in lower 1/3-3/4 inside. Spadix 12-35 cm. Female zone 8-28 mm; lower sterile zone 2.5-10 mm; male zone 2.5-8.5 rom; upper sterile zone 1.5-8 mm, separated from male zone by 2-5.5 mm gap. Sterile fllaments yellow or purple, lower 2-7 mm, upper 2.5-9 mm. Appendix 6-27 cm incl. 3-60 mm stipe, suddenly expanded into blackish-violet club. Fl 3-5. Open rocky limestone slopes and crevices, field margins, roadsides, nr s.l.-2500 m.
1. Filaments of lower sterile zone purplish; tube of spathe usually purplish or pinkish inside near top
    2. Stipe of appendix 11-20 mm; fllaments of lower sterile zone 2-3 mm, 1-2- cycled ......d. var.luschanii
    2. Stipe of appendix 28-60 mm; fIlaments of lower sterile zone 5-7 mm, 2-4-cycled......c. var. liepoldtii
1. Filaments of lower sterile zone yellowish; tube of spathe greenish or whitish inside, not pink or purple near top
    3. Lamina of spathe heavily stained purple in lower half, with confluent blotches; fllaments of upper sterile zone 2.5-3 mm .....................   b.var. spectabile
   3. Lamina of spathe not stained purple in lower half, with few to numerous blotches which are often-not confluent;  fllaments of upper sterile zone 3-7.5 mm
        4. Lamina of spathe with numerous blotches, except in upper 1/4-1/3; lower sterile zone 8-8.5 mm, several-cycled, filaments 4.5-5 mm ............................. a.var. dioscoridis
        4. Lamina of spathe with few blotches in centre of lower 1/3, otherwise green and ± unspotted; lower sterile zone 2.5-3.5 mm, 1-cycled, filaments 24 mm ...e. var. syriacum
var luscanii
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