Leandra glazioviana Cogn.

Reginato, Marcelo, 2016, Taxonomic revision of Leandra sect. Leandra (Melastomataceae, Miconieae), Phytotaxa 262 (1), pp. 448-450 : 448-450

7. Leandra glazioviana Cogn. in Martius et al. (1886: 86). Type:— BRAZIL. Rio de Janeiro: A.F.M. Glaziou 7616 (holotype K image!, isotypes C image!, P (×2), R!). ( Figs. 36 , 37 , 38 , 39 )

Leandra melastomoides var. longifolia Cogn. in Martius et al. (1888: 85). Lectotype (designated here):— BRAZIL. Rio de Janeiro: Nova Friburgo, 4 April 1882, A.F.M. Glaziou 13849 ( BR 5191666 image!, isolectotypes BR 5191994 image!, R! (×3), S image!). Additional syntypes: BRAZIL. Rio de Janeiro: C. Gaudichaud-Beaupré 733 (not located), C. Gaudichaud-Beaupré 734 (not located); M. Vauthier 114 (not located); G. Burchell 931 (not located); L. Riedel 1932 (not located); L. Riedel 673 (not located). Minas Gerais: A. Saint-Hilaire 63 (not located).

Leandra scabra var. luederwaldtii Hoehne (1922: 107) . Type:— BRAZIL. Santa Catarina: Hammonia, H. Luederwaldt s.n. (holotype SP!).

Leandra pubistyla Wurdack (1970: 374) . Leandra melastomoides var. paulina Cogn. in Martius et al. (1888: 85). Lectotype (designated here):— BRAZIL: F. Sellow s.n. (US!). Additional syntype: BRAZIL: L. Riedel 1791 (not located).

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Shrubs, 0.5–2 m tall. Branches, petioles, leaves, inflorescences, bracts, bracteoles and hypanthia, covered by unbranched trichomes (1.5–4 mm), these sparser on leaf adaxial surfaces and denser on branches, acrodromous nerves on leaf abaxial surface, petioles, inflorescences and hypanthia, sometimes the trichomes on the branches are appressed. Leaves isophyllous or slightly anisophyllous in each pair (up to 7:11 ratio); petioles (0.2)0.5–1(1.5) cm long; blades (7)9–15 × (1.5) 2.5–5.5 cm, lanceolate or elliptic-lanceolate, apex acuminate or shortly acuminate, base cuneate, margin entire or crenulate, ciliate (0.8–1.2 mm), chartaceous; 3 acrodromous nerves, plus (0)–1 additional pair of faint veins, plinerved, distant (6)9–15(20) mm above the base, acrodromous nerves slightly printed, transversal slightly conspicuous on adaxial surface and acrodromous nerves prominent, transversal flat on abaxial, reticulation slightly conspicuous. Inflorescences terminal, 1(3) per node, (3) 6–10 cm long, (1)3–4 pairs of opposite paraclades, accessory branches absent, usually more then 20, seldom less flowers per inflorescence (but more than three), these in glomerules; bracteoles 7–12 × 5–9 mm, lanceolate, elliptic, ovate or obovate, sparsely covered by unbranched trichomes, most of the time glabrous towards the margin with the trichomes restricted to the medium region, involucral, persistent. Flowers 6-merous, sessile. Hypanthium 4–6.5 × 2.5–4 mm, tubular, torus indumentum absent. Calyx tube 0.2–0.4 mm long; inner lobes 1.5–3 × 0.9–2 mm, deltoid or triangular; external teeth 2–5.3 mm long. Petals white, 4–7 × 1.2–2.2 mm, linear or lanceolate, apex acuminate, glabrous or with an apical glandular trichome (ca. 0.3), spreading at anthesis. Stamens 12, opposite to the style; filaments geniculation present, the larger 5–6.5 mm long, the smaller 4.5–5 mm long; anthers pink, the larger 5.5–7.5 mm long, the smaller 4.8–5.5 mm long, linear-subulate, dorsally curved, pore 0.10–0.14 mm wide, connectives dorsally produced below the anthers 0.7–1.2 mm, appendage present, a basal-dorsal cauda. Ovary 4-celled, 2.5–3 × 0.8–1.2 mm, ca. 30 % inferior, apex densely covered by unbranched trichomes (ca. 1 mm). Style 9–11 mm long, sigmoid, opposite of the stamens, stigma 0.15 mm diam. Berries black, 10–13 × 7.5–9 mm. Seeds 1–1.3 × 0.6–0.8 mm, long-obpyramidal, hilum covering 9/10 of the seed length, anticlinal cell walls flat.

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Notes:— Leandra glazioviana is morphologically similar to the highly variable L. melastomoides (see notes of this species) and is differentiated mainly by the larger flowers and fruits. Additionally, the larger trichomes, smaller petioles and the conspicuous caudate appendage on the larger anthers usually also help distinguish it from L. melastomoides , but there are some individuals of the latter species that have these features inside the range found in L. glazioviana .

Selected specimens examined:— BRAZIL. Espírito Santo: Castelo, Fraga 1953 ( RB); Santa Maria de Jetibá, Kollmann 5817 ( UPCB); Santa Teresa, Vervloet 1970 ( RB). Minas Gerais: Viçosa, Mexia 4573 ( NY). Paraná: Adrianópolis, Silva 6179 ( MBM); Bocaiúva do Sul, Hatschbach 61400 ( MBM); Campina Grande do Sul, Hatschbach 20956 ( MBM); Cerro Azul, Hatschbach 25591 ( MBM); Guaraqueçaba, Kuniyoshi 4740 ( MBM); Jaguariaíva, Linsingen 144 ( MBM); Tunas do Paraná, Goldenberg 740 ( MBM). Rio de Janeiro: Teresópolis, Glaziou 16823 ( F). Santa Catarina: Blumenau, Sobral 2501 ( MBM); Ibirama, Reitz 3122 ( NY). São Paulo: Apiaí, Puiggari 3689 ( SP); Bananal, Brade 15245 ( NY); Cunha, Franco 1251 ( SP); Eldorado, Rodrigues 215 ( SP); Ibiúna, Toledo 348 ( SP); Iporanga, Proença 121 ( SP); Juquitiba, Simão-Bianchini 649 ( SP); Miracatu, Motta 1661 ( MBM); Paranapiacaba, Kirizawa 172 ( SP); São Paulo, Reginato 1320 ( NY).

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Figures

FIGURE 36. Distribution of Leandra glazioviana.

FIGURE 37. Leandra glazioviana. A. Habit. B. Branch with inflorescence. C. Detail of the inflorescences. D. Flowers.

FIGURE 38. Leandra glazioviana. A. Detail of the leaf on adaxial view. B. Branch with inflorescence. C. Detail of the shoot. D. Leaf on abaxial view. E. Inflorescence. F. Detail of the leaf base. Voucher: Reginato 1203.

FIGURE 39. Leandra glazioviana. A–B. Flower. C. Hypanthium and calyx longitudinal section. D. Bracteole. E. Petal. F. Style. G. Detail of ovary apex. H. Anther apex. I. Hypanthium and ovary cross section. J. Detail of the calyx. K. Hypanthium. L. Anthers. M. Stamens. Scales: A–F = 1 mm; G–J = 0.25 mm. Voucher: Kollmann 8637.