Jacquemontia Choisy
Creators: name: Pastore, Mayara
name: Moreira, André Luiz da Costa
name: Cavalcanti, Taciana Barbosa
name: Simão-Bianchini, Rosângela
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Solanales
Convolvulaceae
Jacquemontia

description: IDENTIFICATION KEY FOR <i>JACQUEMONTIA EVOLVULOIDES</i> (MORIC.) MEISN. AND ALLIED SPECIES 1. Subshrubs with woody, mostly erect stems, sometimes scandent.................................................................. 2 — Herbs with herbaceous, voluble, scandent or prostrate stems....................................................................... 4 2. Leaves and stem tomentose; bracteoles 5-8 mm long.................................................... <i>J. fruticulosa</i> Hallier f. — Leaves and stem pubescent or hirsute; bracteoles 1.5-2.5 mm. long............................................................... 3 3. Plants ferruginous <i>in sicco</i>; stems densely branched near the base; peduncles 0.2-1.5 cm <i>..........................</i>....................................................................................................................... <i>J. heterotricha</i> O’Donell — Plants greenish in sicco; stems sparsely branched throughout the plant; peduncles 3-6 cm................................................................................................................................................................................ <i>J. evolvuloides</i> 4. Inflorescence dichasial congested (umbelliform to corymbiform) (Fig. 1).......... <i>J. sphaerostigma</i> (Cav.) Rusby — Inflorescence monochasial or thyrsoid (Fig. 1).............................................................................................. 5 5. Leaves linear or narrowly lanceolate; sepals 3-4 mm long, glabrous....................... <i>J. linoides</i> (Choisy) Meisn. — Leaves ovate, elliptic or lanceolate; sepals 6.5-8 mm long, hirsute or pubescent........................................... 6 6. Leaves brochidodromous, 5-6 pairs of secondary veins, stems greenish <i>in sicco</i>.......................... <i>J. evolvuloides</i> — Leaves eucamptodromous, 2-3 pairs of secondary veins, stems reddish <i>in sicco</i>............................................ 7 7. Glandular trichomes present; inflorescence thyrsoid or monochasial............................ <i>J. warmingii</i> O’Donell — Glandular trichomes absent; inflorescence monochasial............................................................................... 8 8. Stems with a mix of stellate, 3-radiate and forked trichomes (Fig. 2); bracteoles 8-12 mm long.............................................................................................................................................................. <i>J. guaranitica</i> Hassl. — Stems with a mix of simple trichomes thickened at the base and forked trichomes (Fig. 2); bracteoles 3-4 mm long.............................................................................................................................. <i>J. anomala</i> O’Donell
description: Published as part of <i>Pastore, Mayara, Moreira, André Luiz da Costa, Cavalcanti, Taciana Barbosa &amp; Simão-Bianchini, Rosângela, 2017, A taxonomic study of Jacquemontia evolvuloides (Moric.) Meisn. and related species (Convolvulaceae), pp. 149-166 in Adansonia 39 (2)</i> on page 151, DOI: 10.5252/a2017n2a6, http://zenodo.org/record/5209241