Guatteria rufotomentosa R.E.Fr.

Maas, P. J. M., Westra, L. Y. T., Guerrero, S. Arias, Lobão, A. Q., Scharf, U., Zamora, N. A. & Erkens, R. H. J., 2015, Confronting a morphological nightmare: revision of the Neotropical genus Guatteria (Annonaceae), Blumea 60 (1), pp. 1-219 : 151-153

140. Guatteria rufotomentosa R.E.Fr. — Fig. 68 ; Map 30

Guatteria rufotomentosa R.E.Fr. (1939) 392,t. 24. — Guatteria rufa Triana & Planch. (1862) 35, non Dunal (1817). — Type: Goudot s.n. (holo P; iso K), Colombia, Tolima, Ibagué (‘Ibagué, prov. Mariquita’), Dec. 1844 .

Tree 5.5–13 m tall, or shrub of unknown height and diam (the type collection); young twigs densely covered with erect, brown hairs, soon glabrous. Leaves: petiole 5–15 mm long, 2–3 mm diam; lamina narrowly elliptic to elliptic, 14–23 by 6–11 cm (leaf index 2.3–2.8), coriaceous, not verruculose, shiny, grey to greyish brown above, brown to greenish brown below, sparsely covered with erect hairs to glabrous above, densely covered with erect, brown hairs below, base long-attenuate, basal margins revolute, apex acute to acuminate (acumen 10–15 mm long), primary vein impressed above, secondary veins distinct, 15– 25 on either side of primary vein, raised above, smallest distance between loops and margin 1–2 mm, tertiary veins

Map 30 Distribution of Guatteria ruboides (●), G. rubrinervis (£), G. rufotomentosa (■), G. rupestris (P) and G. sabuletorum (u).

strongly raised to flat above, reticulate. Flowers in 1–2-flowered inflorescences in axils of leaves or on leafless branchlets; pedicels 5–25 mm long, 2–3 mm diam, fruiting pedicels 10–40 mm long, 2–3 mm diam, densely covered with erect, brown hairs, articulated at 0.3–0.5 from the base, bracts 6–7, soon falling, the 2 upper ones 5–8 mm long; flower buds depressed ovoid to subglobose; sepals free, broadly ovate-triangular, 5–8 by 6–10 mm, appressed, outer side densely covered with appressed hairs; petals colour not recorded, broadly ovate to ovate, 8–11 by 5–10 mm, outer side densely covered with appressed hairs, inner side strongly vertically ridged; stamens 1.5–2 mm long, connective shield papillate. Monocarps c. 25, colour in vivo unknown, black in sicco, ellipsoid, 9 –10 by 5 – 6 mm, sparsely covered with appressed hairs, apex apiculate (apiculum <1 mm long), wall 0.2–0.3 mm thick, stipes c. 2 by 1.5 mm. Seed ellipsoid, c. 10 by 6 mm, dark brown, strongly rugose, raphe not distinct from rest of seed.

Distribution — Colombia (Huila, Tolima).

Habitat & Ecology — In oak forests (‘robledales’) ( Trigobalanus excelsa ). At elevations of 1000–1675 m. Flowering: January, February, September, December; fruiting: September.

Vernacular names — Not recorded.

Note — Guatteria rufotomentosa is only known from a few collections gathered in the Colombian states of Tolima and Huila, respectively. It comes closest to G. carchiana from montane forests in Ecuador. For the differences see under that species.

Figures

Fig. 68 Guatteria rufotomentosa R.E.Fr. Flowering branch (Henao 251, AAU).