Biarum tenuifolium subsp. tenuifolium

Leaf lamina 15–25 cm × 11–15 mm; spadix appendix 10–41 cm × 2–3 mm; leaves in mature individuals oblong-lanceolate early in the season, linear-lanceolate later in the season. Spadix appendix 10–41 cm × 2–3 mm. Staminodes hooked, simple. 2n = 26 ( Marchant 1972 ), 16, 20, 26 (Monti & Gabari 1974 ).