Araceae
Anthurium martinellii Nadruz & Theófilo
Nomenclature
SUMMARY
Herb. Stem erect, up to 5 cm, sparsely covered with roots; cataphylls and prophylls 6.1–7.2 cm, entire to decomposed at the stem apex, decomposed toward the stem base, chestnut brown. Leaves borne at an angle of 30°–40° in relation to stem; petiole 2.1–5.6 3 0.55–0.62 cm, flattened and slightly sulcate with acute margins adaxially, rounded abaxially, greenish; geniculum 1.5–1.7 cm, greenish; blade narrowly oblong to narrowly elliptic, 27–47.8 3 3.4–6.2 cm, length:breadth ratio 7.7–7.9:1, leaf blade:petiole ratio 12.8–14:1, chartaceous, greenish, convex in cross section, with revolute greenish margin, slightly discolorous, glossy above, somewhat paler below, without glandular punctations; base acute-cuneate; apex acute to straight-apiculate; calcium oxalate deposits inconspicuous in dried material; midrib flattened to rounded adaxially and rounded to acute abaxially, greenish; primary lateral veins obscured on both surfaces, distinct from higher-order veins when dried, in 12 to 14 pairs; collective vein arising at the base of the blade 0.6–0.9 cm from the margin; marginal vein 1. Inflorescence with peduncle compressed laterally, peduncle: petiole ratio 1–1.1:1, green-vinaceous, curved in fruit, 2.3–3.6 3 0.79–0.86 cm; spathe 3.4–9.7 3 1.1–3.4 cm (measured at the base at the widest point), length:breadth ratio 2.8–3:1, spathe:peduncle ratio 1.4–2.6:1, ovate, greenish vinaceous, erect at anthesis and post-anthesis, forming an acute angle at junction with peduncle, decurrent for 0.3 cm, never surrounding the spadix post-anthesis; spadix 2.7–8.8 3 0.78–1.19 cm, length:breadth ratio 3.4–7.3:1, spadix:peduncle ratio 1.1–2.4:1, conical, salmon-colored pre-anthesis, vinaceous at anthesis, and chestnut brown post-anthesis, sessile; flowers 8 per primary spiral, 6 in secondary spiral; tepals salmon-colored to vinaceous; androecium with stamens 1.5mm, anthers reddish green pre-anthesis; gynoecium 0.2 3 0.1 cm in front view, oblong, color not seen, ovary bilocular, with 1 ovule per locule, placentation axial, funicle with trichomes. Fruit a berry, vinaceous at apex and yellowish toward the base; seed not seen.