Guatteria cryandra Erkens & Maas

Maas, P. J. M. & Westra, L. Y. Th., 2011, A taxonomic survey of Guatteria section Mecocarpus including the genera Guatteriopsis and Guatteriella p. p. (Annonaceae), Blumea 56 (2), pp. 113-145 : 118-119

2. Guatteria cryandra Erkens & Maas — Fig. 3b , 4 ; Map 2

Guatteria cryandra Erkens & Maas (2008) 404. — Guatteriopsis kuhlmannii R.E.Fr. (1937) 275, t. 8, not Guatteria kuhlmannii R.E.Fr. (1939) . — Type: J. G. Kuhlmann RB24361 (holo S; iso RB), Brazil, Pará , Rio Tucuruí ,affluent of Rio Xingu, Vitória, 17 Apr. 1924 .

Tree 3 –10 m tall, c. 10 cm diam; young twigs densely covered with appressed hairs, soon glabrous. Leaves: petiole 2 – 5 mm long, 1–2 mm diam; lamina narrowly elliptic to narrowly oblong-elliptic, 13– 25 by 4 – 8 cm (leaf index 2.6 – 4.1), chartaceous, rather densely verruculose, pale greenish brown above, pale 119 brown below, glabrous above, sparsely covered with appressed hairs below, the primary vein rather densely so, base obtuse to rounded, apex acuminate (acumen 15 –25 mm long), primary vein flat to slightly raised above, secondary veins indistinct, 17– 25 on either side of primary vein, slightly raised above, not or indistinctly loop-forming, smallest distance between loops and margin 1–4 mm. Flowers in 1–2-flowered inflorescences in axils of leaves or on leafless branchlets; pedicels 1–5 mm long, 1– 2 mm diam, fruiting pedicels up to 5 mm long and 3 mm diam, densely covered with appressed, brown hairs, articulated at c. 0.2 from the base, number of bracts not countable with certainty, one bract seen: broadly ovate-triangular, outer side densely covered with appressed, brown hairs; flower buds broadly ovoid; sepals basally connate, broadly ovate-triangular, 5 – 6 by 5 – 6 mm, appressed, outer side densely covered with appressed hairs; petals yellow to golden yellow in vivo, ovate, 10 –15 by 8 –10 mm, outer side densely covered with appressed, brown hairs; stamens c. 2 mm long, connective shield not seen. Monocarps 10– 30, red to red-orange when ripe in vivo, blackish in sicco, ellipsoid, young ones 10–12 by 5 –6 mm, sparsely covered with appressed hairs, apex apiculate (apiculum 0.5–1 mm long), wall not measurable, stipes 1– 3 by 1 mm. Seed not seen.

Distribution — Brazil ( Amapá, Pará).

Habitat & Ecology — In non-inundated forest, one specimen growing along river, often on clayey soil. At elevations of up to 250 m. Flowering: March, June, November; fruiting: August, September.

Vernacular names — None.

Other specimens examined. BRAZIL, Amapá, Rio Araguari,between camps 6 and 7, Pires et al. 50875 (FHO, U); Vila do Agua Branca, Upper Rio Cajari Mazagão, Rabelo & Cardoso 2748 (U). Pará, Rodovia Transamazonica,km 23 of road from Altamira to Itaituba, Bahia 58 (NY); Tucuruí, Rio Tocantins, km 20 of BR-422, Lisboa et al. 1413 (NY); Município Paragominas, Belém- Brasília Hwy (BR 010), 17 km S of Ligação do Pará, near kilometer marker 1509, 250 m, Plowman et al. 9413 (U); Mun. Altamirim, Monte Dourado, Estrada Perimetral, Santos 298 (NY).

Note — Guatteria cryandra is characterized by shortly petiolate leaves with a rounded to obtuse base, in combination with the stiffly appressed hairs on the leaves and the young branchlets, as well as with the shortly stipitate monocarps with stipes 1–3 mm long.

Figures

Map 2 Distribution of Guatteria cryandra Erkens & Maas (¢), G. friesiana (W.A. Rodrigues) Erkens & Maas (5), G. guianensis (Aubl.) R.E.Fr. ($), and G. longicuspis R.E.Fr. (o).

Fig. 3 a. Guatteria blepharophylla R.E.Fr. Detail of flowers (Daly et al. 783, U). — b. Guatteria cryandra Erkens & Maas. Detail of flower (Rabelo et al. 2748, U). — c. Guatteria decurrens R.E.Fr. Detail of indument (Grández et al. 4203, U).

Fig. 4 Guatteria cryandra Erkens & Maas. Flowering specimen (Rabelo et al. 2748, U).