Pseudolycopodiella meridionalis (Underw. & F.E.Lloyd) Holub var. meridionalis, Folia Geobot. Phytotax.

Øllgaard, Benjamin, Boudrie, Michel & Cremers, Georges, 2020, The Lycopodiaceae of Guyana, Suriname, and French Guiana, Phytotaxa 433 (2), pp. 101-134 : 130-131

4a. Pseudolycopodiella meridionalis (Underw. & F.E.Lloyd) Holub var. meridionalis, Folia Geobot. Phytotax. 18: 442. 1983.— Lycopodiella caroliniana (L.) Pic.Serm. var. meridionalis (Underw. & F.E.Lloyd) B.Øllg. & P.G.Windisch, Bradea 5: 27. 1987.— Lycopodium meridionale Underw. & F.E.Lloyd, Bull. Torr. Bot. Club 33: 121. 1906.— Lycopodium carolinianum L. var. meridionale (Underw. & F.E.Lloyd) Nessel, Arch. Bot. Est. S. Paulo 1: 431. 1927. Type:— PUERTO RICO. [Río Grande?]: Dry savannahs, Luquillo Mountains, P. Wilson 94 (holotype NY! [00126961]; isotype US [00135527]). Fig. 16 .

Plants with horizontal shoots anisophyllous, prostrate, bearing dorsal, erect, simple, homophyllous strobiliferous branches. Creeping shoots with long and wide lateral leaves, and shorter, narrow dorsal leaves. Lateral leaves broadly triangular-ovate to lanceolate, entire. Dorsal leaves lanceolate to subulate. Vegetative leaves of erect branches distant, not concealing the stem, borne in alternating whorls 3–4. Strobili 3–10 mm in diam. incl. sporophylls. Sporophylls subpeltate, rhombic or ovate-acuminate or ovate-cuspidate to triangular-lanceolate, entire to erose-denticulate. Sporangia isovalvate, borne on the sporophyll stalk, ca. 1.5 mm wide.

Distribution:—Widely distributed in tropical America, rare in the Andes.

Habitats:—Terrestrial, sometimes epilithic, usually on wet ground, on road banks, slopes, ledges, grasslands, sea level to ca. 1300 m.

Selected specimens examined:— GUYANA (29 collections): Kaieteur Plateau, Maguire & Fanshawe 23111 ( BR, F, K, P, U, UC, US, VEN) ; Parabu Savanna, watershed between Rupununi and Kuyuni R., A.C. Smith 3052 (F, K, MO, NY, P, S, US) .— SURINAME (30 collections): Road Moengo tapoe-Gr. Zwibelzwamp, Lanjouw & Lindeman 953 (K, US) ; just E of Zanderij , Tryon & Kramer 5616 ( COL, P, S, US).— FRENCH GUIANA (26 collections): Savane de Corossony, PK 111 on road Cayenne-St. Laurent, Cremers 9419 ( AAU, B, CAY, P, U, Z) ; Savane Macoua- Région Littorale, 10 m, Hoff 5575 ( AAU, B, CAY, US) ; Régina, Montagne Petite Tortue , near Régina, km 90 along rte Nat. 2, 36–50 m, 52°43’W 4°18’N, 26 Feb 2003, Christenhusz et al. 2535 ( AAU, CAY) .

Figures

FIGURE 16. Pseudolycopodiella meridionalis var. meridionalis—(Brazil, Dusén 17492, S). A. Growth habit. A1. Close-up of creeping stem. A2. Close-up of sporophyll. Drawing by K. Tind.