Palhinhaea lehmannii (Hieron.) Holub (1991: 93)

Øllgaard, Benjamin, 2020, Lycopodiaceae in Colombia: Subfamilies Lycopodioideae and Lycopodielloideae, Phytotaxa 433 (3), pp. 195-224 : 213

Palhinhaea lehmannii (Hieron.) Holub (1991: 93) .— Fig. 6B .

Lycopodium lehmannii Hieronymus (1905: 574) .— Lycopodiella lehmannii (Hieron.) B. Øllgaard (1987: 176) . Syntypes:— COLOMBIA: Andes of Popoyan , Lehmann 6972, (B!, BONN-Nessel 390 p. p.!, G!, K!);, Munchique, Lehmann 3662 (B!, BM!, K!).

Plants with long, usually slender 2–3 mm thick, arching-looping to scandent runner shoots, rooting at long intervals. These bearing dorsally arising, initially erect, amply branched, or to several m long, bending to long scandent shoots. Dorsally arising shoots with several spreading or nodding to long pendulous, usually alternate, to at least 40 cm long lateral branchlet systems, sparsely to densely short-hairy. Leaves of main axes usually distant, patent to reflexed or often upward curved, 3–4 mm long, to 0.7 mm wide, with terete to quadrangular, hairy leaf bases, upward sometimes flattened, herbaceous to subcoriaceous. Ultimate branchlets 3–5 mm in diam. incl. leaves, often tapering to less than 2 mm in diam. Leaves of ultimate branchlets borne in densely crowded, alternating whorls or low spirals of 4–5, forming 8–10 indistinct longitudinal ranks, acicular, often with slightly flattened apex, 2–4 × 0.3–0.7 mm, usually upward curved from a spreading or perpendicular base, soft herbaceous to subcoriaceous, with hairy leaf base.Strobili variable, 7–20 mm long, 2–3 mm in diam. Sporophylls 8–10-seriate with coalescent bases partly enclosing the sporangia, with 1.5–2 × ca. 1 mm exterior face, lanceolate-ovate, apically acute-acuminate exterior face, with irregularly erosefimbriate to denticulate margins, of herbaceous texture throughout. Sporangia ca. 0.5–0.7 mm wide.

Distribution: Colombia and Ecuador.

Habitats: Usually a pioneer in disturbed montane forest, 1800–2800 m elev.

Notes: In Flora of Ecuador ( Øllgaard 1988), material of this species was treated under Lycopodiella glaucescens (Presl) Holub (syn. Palhinhaea glaucescens (Presl) Holub ) in spite of its slender growth habit. However new material from both Colombia and Ecuador indicates that it is distinct from that species due to its slender, hairy stems, more delicate main stem leaves, and smaller strobili. This species is illustrated in Flora of Ecuador figure 28 B as Lycopodiella glaucescens , together with figure 28 A which shows P. glaucescens proper, reflecting the doubt of its distinctness from that species at the time.

Antioquia: Medellín–Sonsón road, 15–16 km NE of Sonsón toward Argelia, 2440–2530 m, Luteyn & Lebron-Luteyn 7158 (MO). 10 km E of Sonsón, 2500 m, Barkley & Bouthillette 38C565 (GH). Road Sibundoy–Mocoa, Sachamates, 2440–2800 m, Schultes & Cabrera 18622 (COL, US). Caquetá: Entre Garzón y Florencia, flanco oriental de la cordillera oriental, 2000 m, Mason 13956 (COL, UC). Cauca: Andes de Popayán, 1800–2400 m, Lehmann 6972 (K, syntype). Munchique, 2500 m, Lehmann, 3662 (B, BM, K, syntype). Road to the sea via 20 de Julio, 2000 m, Santa et al. 993 (AAU, COL, HUA). Km 54 on roadTimbío–Veinte de Julio, 2100–2300m, Maas & Plowman 2151 (COL).

Huila: Cordillera oriental, Gabinete, 2300–2450 m, Cuatrecasas 8428 (COL, US). Cord. Oriental, Caquetá side of Huila-Caquetá divide, 20 km SE of Garzón, 2350 m, Little 9360 (COL). Nariño: W slope of Cordillera Occidental, above Carpintería, 2480 m, Alston 8268 (AAU, BM). Putumayo: Sibundoy–Mocoa, Sachamates, 2440–2800 m, Schultes & Cabrera 18622 (COL, US), 18626 (COL).

Figures

FIGURE 6.A: Palhinhaea trianae (Colombia:Alston 8629,AAU).A1: Erect main axis with lateral branchlet system.A2:Close-up of main erect axis. A3: Branchlet leaf. A4: Sporophyll. B: Palhinhaea lehmannii (Colombia: Alston 8268, AAU), main branch with strobiliferous branchlet system. B1: Strobiliferous branchlet. B2. Sporophyll. C: Palhinhaea glaucescens (Ecuador: Jameson s.n., Nanegal, K), main branch with strobiliferous branchlet system. C1: Strobiliferous branchlet. C2: Sporophyll.