Pouteria amapaensis Pires & T.D.Penn.
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Authority
Pennington, Terence D. 1990. Sapotaceae. Fl. Neotrop. Monogr. 52: 1-750. (Published by NYBG Press)
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Family
Sapotaceae
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Scientific Name
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Type
Type. Brazil. Amapá: Rio Araguari, vic. Camp 13, Oct 1961 (fl), Pires, Rodrigues & Irvine 51532 (holotype, K; isotype, MG).
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Description
Latin Diagnosis - Arbuscula; ramuli novelli minute et adpresse puberuli, mox glabri, pallide brunnei, tenuiter squamati, elenticellati. Folia congesta, spiraliter disposita, 10.5-14.5 × 2.8-3.7 cm, anguste oblanceolata, apice anguste attenuata, basi longe decrescentia, anguste attenuata, chartacea usque tenuiter coriacea, supra glabra, infra pellicula tenui argentea vestita; venatio eucamptodroma; costa supra elevata; nervi secundarii 8-13-jugi, valde ascendentes, convergentes, arcuati; nervi intersecondarii nulli; nervi tertiarii horizontales. Petiolus 2-5 mm longus, non canaliculata, glaber. Fasciculi 1-2-flori, axillares vel sub foliis dispositi. Pedicellus ca. 1 mm longus, pilis sparsis minutis adpressis vestitus. Flores bisexuales (?). Sepala quatuor, ca. 4 mm longa, anguste lanceolata, apice acuta, leviter cucullata, extus parce et minute hirsuta, intus glabra. Corolla anguste cylindrica, ca. 5.5 mm longa, tubus ca. 3.5 mm longus, lobi quatuor, ca. 2 mm longi, oblanceolata apice rotundati, leviter ciliati. Stamina quatuor, medio tubo corollae affixa; filamenta ca. 2 mm longa, glabra; antherae ca. 1.25 mm longae, lanceolatae, apiculatae, glabrae. Staminodia quatuor, ca. 1.5 mm longa, anguste oblonga, apice rotundata, ciliata. Discus nullus. Ovarium globosum, quadriloculare, dense et longe strigosum; stylus post anthesin ca. 3.5 mm longus, glaber; styli capitulum simplex. Fructus ignotus.
Species Description - Treelet; young shoots minutely appressed puberulous, soon glabrous, pale brown, thinly scaling, without lenticels. Leaves clustered, spirally arranged, 10.5-17.5 × 2.8-3.7 cm, narrowly oblanceolate, apex narrowly attenuate, base long tapering, narrowly attenuate, chartaceous to thinly coriaceous, glabrous above, with a silvery pellicle below, venation eucamptodromous, midrib raised on the upper surface, secondary veins 8-13 pairs, steeply ascending, convergent, arcuate; intersecondaries absent; tertiaries horizontal. Petiole 2-5 mm long, not channelled, glabrous. Fascicles 1-2-flowered, axillary and below the leaves. Pedicel ca. 1 mm long, with sparse minute appressed hairs. Flowers bisexual (?). Sepals four, ca. 4 mm long, narrowly lanceolate, apex acute, slightly hooded, sparsely minutely hairy outside, glabrous inside. Corolla narrowly cylindrical, ca. 5.5. mm long, tube ca. 3.5 mm long, lobes four, ca. 2 mm long, oblanceolate, apex rounded, slightly ciliate. Stamens four, fixed about halfway up the corolla tube; filaments ca. 2 mm long, glabrous; anthers ca. 1.25 mm long, lanceolate, apiculate, glabrous. Staminodes four, ca. 1.5 mm long, narrowly oblong, apex rounded, ciliate. Disk absent. Ovary globose, four-locular, densely long-strigose; style ca. 3.5 mm long after anthesis, glabrous; style-head simple. Fruit unknown. Field characters. Treelet 2 m high with greenish white flowers, flowering in Oct.
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Distribution
Known only from the type collection in Amapá, Brazil, where it occurs in upland forest.
Brazil South America| Amapá Brazil South America|