Philodendron warszewiczii K.Koch & C.D.Bouché
- Dataset
- CATE Araceae
- Rank
- SPECIES
- Published in
- K.Koch & C.D.Bouché, Index Seminum (B) 1855(App.): 4 (1855)
Classification
- family
- Araceae
- genus
- Philodendron
- species
- Philodendron warszewiczii
distribution
Ranges from Mexico (Jalisco and Chiapas) to El Salvador on the Pacific slope, and to Honduras and Nicaragua.
general
Usually terrestrial, or on rocks, sometimes epiphytic; stem appressed-climbing, thick, succulent, bare, leaf scars conspicuous, 1.5--2.6 cm long, 1.5--2 cm wide; internodes short near apex, semiglossy, glaucous, 3--5(15) cm long, 2.5--7(10)cm diam., often longer than broad lower down, dark green to gray-brown; roots pale green to dark brown, few per node, epidermis drying yellowish; cataphylls thin, soft, 18--33 cm long, weakly to sharply 2-ribbed, pale green to whitish, lightly and densely short-lineate, deciduous intact. LEAVES often deciduous in dry season; petioles 33-58(80) cm long, 1--2 cm diam., subterete to C-shaped, moderately soft, weakly flattened to rounded with thick, medial rib adaxially, with adaxial margins sharply raised, surface sharply striate, with a dark green ring around apex; blades triangular-sagittate in outline, deeply bipinnately or bipinnatisect to within 1--4 cm of the midrib, thin, semiglossy, moderately bicolorous, more or less rounded at apex (the acumen 2 mm long), cordate at base, 31--78 cm long, 30--62 cm wide (0.9--1.3 times longer than wide), (1--1.3 times longer than petiole), upper surface moderately glossy, moderately paler, margins sinuate; median lobe 17--52 cm long, 23--63 cm wide, rounded to obtuse; lateral segments 1--30 cm long, 11--28 cm wide, pinnately lobed with 3 or more lobes per side, acute or acuminate; interlobal sinuses 0.78--0.94 the length of the blades; midrib flat, obscurely striate, slightly paler than surface above, raised, obscurely striate, slightly paler than surface below; basal veins 2--6 per side, with 0--1 free to base, second and third pair coalesced 2--5 cm, third and higher order veins coalesced 5--7 cm; posterior rib naked along most of its margin; primary lateral veins 3--6 per side, departing midrib at a 55--70º angle, straight to the margins, weakly raised above, raised, paler than surface below; tertiary veins raised, paler than surface above and below; minor veins visible, darker than surface below, distinctly visible on drying, arising from both the midrib and primary lateral veins. INFLORESCENCES 1(3) per axil; peduncle (2.5--3)4.5--11(16) cm long, 1--2 cm diam., dark green, dark short-lineate; spathe 13.5--30 cm long, 4--7.5 cm diam. (1.1--3.6(4.7) times longer than peduncle), medium to dark green throughout, blunt at apex, scarcely constricted; spathe blade short dark green lineate outside, 12 cm long, pale green to white inside; spathe tube weakly short dark green lineate outside, 14 cm long, pale green to white or purple or red inside; spadix sessile; white throughout, 14--24(30) cm long, constricted weakly above pistillate portion; pistillate portion 3 cm long in front, 2 cm long in back, 1.3 cm diam. at apex, 1.7 cm diam. at middle, 1.6 cm wide at base; staminate portion 8.3--15 cm long; fertile staminate portion 1.6 cm diam. at base, 1.4 cm diam. at middle, 9 mm diam. ca. 1 cm from apex; sterile staminate portion 1.3 cm diam.; pistils (1.1)4.1 mm long, 3.5--4.5 mm diam.; ovary 4-5-locular, 2.6,9.5 mm long, 3.5--4.5 mm diam., with axile placentation; locules 2.6 mm long, 0.8--1.1 mm diam.; ovule sac 2.4 mm long; ovules 3--4 per locule, 0.5 mm long, contained in thick, translucent matrix; style 1.2--1.6 mm long, 1.2--1.4 mm diam., similar to style type E; style funnel broad, moderately deep; style apex more or less flat; stigma subdiscoid, unlobed, 0.7 mm diam., 0.3 mm high, lining entire upper surface of funnel; the androecium truncate, prismatic, oblong, margins irregularly 4--6-sided, 3.3 mm long, 1.3 mm diam. at apex; thecae oblong, 0.4 mm wide, more or less parallel to one another and nearly contiguous; sterile staminate flowers rounded to somewhat clavate, irregularly 4--6-sided, 2.6 mm long, 1.3--1.8 mm wide. INFRUCTESCENCE brownish outside, brownish inside, to 3 cm wide pistillate spadix 3--7.5 cm long; berries white, 8--11 mm long; seeds 3--4 per locule, pale yellow, oblong-ellipsoid, 2--2.5 mm long, 1--1.2 mm diam., with pale raphide cells.
habitat
Tropical dry forest life zones. In Mexico, the species occurs in "Selva Mediana Subperennifolia" and "Selva Baja Caducifolia".