| Literature DB >> 35068972 |
David A Espinel-Ortiz1, Katya Romoleroux1.
Abstract
Two new species of Rubus (Rosaceae) from the western Andes of northern Ecuador are described. Rubuslongistipularis D.A. Espinel-Ortiz & Romol. is a scandent or climbing shrub found in the mountain forests of Chocó Andino from northern Ecuador. Rubusmaquipucunensis D.A. Espinel-Ortiz & Romol. is a vine or climbing shrub found in the rainforests of Chocó Andino from Pichincha and Santo Domingo de los Tsáchilas. The species mentioned here are morphologically differentiated from all the Rubus species from Ecuador with a detailed botanical description, illustrations and photographs. We also report, for the first time, possible hybridisation between R.longistipularis and R.boliviensis Focke, as the samples reviewed showed mixed characteristics from both species.Entities:
Keywords: Andean slopes; Chocó; Ecuadorian; Rubeae; blackberry; taxonomy
Year: 2021 PMID: 35068972 PMCID: PMC8712496 DOI: 10.3897/phytokeys.187.76963
Source DB: PubMed Journal: PhytoKeys ISSN: 1314-2003 Impact factor: 1.635
Figure 1.D.A. Espinel-Ortiz & Romol. A habit and inflorescence B branch and stipule C leaf D leaf adaxial surface E leaf abaxial surface F leaf border G pedicel H flower I sepal adaxial surface J sepal abaxial surface K fruit. (A based on P.M. Jørgensen & S.S. Vire 56085 (QCA) B–K based on D. Espinel-Ortiz & H.G. Abad 281 (QCA)). Illustrations by Carla Rodríguez.
Figure 2.D.A. Espinel-Ortiz & Romol. A habit B leaf abaxial surface and stipules C flower D infructescence with immature and mature fruits. Photos by David A. Espinel-Ortiz.
Figure 3.D.A. Espinel-Ortiz & Romol. Holotype collection D. Espinel-Ortiz & H.G. Abad 281 (QCA) A branch apex QCA243418 B leaf abaxial surface QCA7010715 C terminal inflorescence QCA7010718 D infructescence QCA7010719.
Figure 4.Distribution map of (red triangles), and (black circles) from the western Andes of North Ecuador. Map generated by David A. Espinel-Ortiz.
Figure 5.D.A. Espinel-Ortiz & Romol. A vine B scandent shrub C vine branch D shrub branch and stipule E vine leaf adaxial surface F shrub leaf adaxial surface G vine leaf abaxial surface H shrub abaxial surface I leaf border J inflorescence K pedicel L flower and sepal adaxial surface M sepal abaxial surface N fruit. (A–I based on D. Espinel-Ortiz, C. Restrepo & A. Sanguano 275 (QCA), J based on D. Espinel-Ortiz, C. Restrepo & A. Sanguano 269 (HUTI) L–N based on D. Espinel-Ortiz, C. Restrepo & A. Sanguano 269 (QCA)). Illustrations by Carla Rodríguez.
Figure 6.D.A. Espinel-Ortiz & Romol. A vine B scandent shrub and inflorescence C leaf abaxial surface D immature fruits E mature fruits F flower. Photos by Camilo Restrepo (A–C, E–F) and David A. Espinel-Ortiz (D).
Figure 7.D.A. Espinel-Ortiz & Romol. Holotype collection D.A. Espinel-Ortiz, C. Restrepo & A. Sanguano 269 (QCA) A vine QCA243282 B climbing shrub QCA7010670 C inflorescence QCA7010674 D infructescence QCA7010672.
| 1 | Stipules linear-falcate, ovate or suborbicular; leaves simple or 3-foliolate (subg. |
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| – | Stipules subulate or filiform; leaves 3-foliolate, palmately 5-foliolate or imparipinnate |
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| 2 | Leaves simple |
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| – | Leaves 3-foliolate |
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| 3 | Stipules linear-falcate |
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| – | Stipules asymmetrically ovate |
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| 4 | Upper leaf surface bullate |
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| – | Upper leaf surface not bullate |
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| 5 | Lower leaf surface pannose-tomentose |
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| – | Lower leaf surface glabrous or sparsely pilose on veins |
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| 6 | Flowers solitary or rarely in inflorescences 2–3 cm long, with less than 4 flowers |
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| – | Inflorescences 5–9 cm long, with more than 5 flowers |
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| 7 | Flowers solitary or in few-flowered lax inflorescences; sepals as long as or longer than petals |
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| – | Flowers in simple or compound, compact inflorescences; sepals shorter than petals |
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| 8 | Stipules ovate; flowers usually solitary or sometimes in inflorescences with 2–4 flowers |
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| – | Stipules suborbicular; inflorescences with more than 4 flowers |
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| 9 | Lower leaflet surface glabrous or sparsely pilose, unarmed sepals |
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| – | Lower leaflet surface tomentose or villous, prickly sepals |
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| 10 | Leaves and inflorescences pubescent, prickly sepals |
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| – | Leaves and inflorescences glabrous, unarmed sepals |
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| 11 | Drupelets united and falling collectively from dry receptacle (subg. |
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| – | Drupelets remaining on the fleshy receptacle and falling off together with it (subg. |
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| 12 | Leaves 3-foliolate; fruit yellow |
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| – | Leaves imparipinnate, 5 or 7-foliolate; fruit pink-purplish to black or red |
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| 13 | Lower leaf surface pannose with stipitate glands, whitish; stem pruinose |
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| – | Lower leaf surface sparsely pilose with subsessile and sessile glands, greenish; stem not pruinose |
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| 14 | Inflorescences few-flowered, usually less than 30 flowers per inflorescence (except for |
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| – | Inflorescences many-flowered, usually more than 40 flowers per inflorescence; basal leaves 5-foliolate, rarely 3-foliolate |
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| 15 | Stems glabrous, glaucous or puberulent |
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| – | Stems tomentose, velutinous, villous, pilose or pannose |
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| 16 | Stems glaucous; drupelets < 6 mm long, more than 50 per receptacle |
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| – | Stems not glaucous; drupelets > 7 mm long, less than 30 per receptacle |
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| 17 | Leaflets with less than 9 pairs of secondary veins; stems pilose; petals greenish white |
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| – | Leaflets with more than 10 pairs of secondary veins; stems tomentose, velutinous, villous or pannose; petals fuchsia, reddish violet, white or pink |
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| 18 | Stems glaucous; stipules > 20 mm long; drupelets < 3 mm long, more than 50 per receptacle |
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| – | Stems not glaucous; stipules < 14 mm long; drupelets > 4 mm long, less than 40 per receptacle |
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| 19 | Vine or climbing shrub; leaflets broadly elliptic or broadly ovate to elliptic; up to 16 secondary veins |
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| – | Scandent shrub; leaflets ovate to slightly elliptic; up to 13 secondary veins |
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| 20 | Leaflet surface velutinous or tomentose, with sessile and subsessile glands |
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| – | Leaflet surface sparsely villous or pilose, eglandular |
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| 21 | Stems and branches glandular |
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| – | Stems and branches eglandular |
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| 22 | Stems densely covered with long-stipitate glands |
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| – | Stems with scattered, short-stipitate glands |
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| 23 | Petioles pulvinate; base of the leaflets asymmetrical |
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| – | Petioles not pulvinate; base of the leaflets rounded |
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| 24 | Lower leaflet surface glabrous; leaflets with 7–10 pairs of secondary veins |
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| – | Lower leaflet surface pubescent; leaflets with 10–18 pairs of secondary veins |
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| 25 | Stems with reddish, setose hairs |
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| – | Stems tomentose, villous, pilose, pannose or glabrous, not setose |
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| 26 | Leaflets with 10–12 or rarely 14 pairs of secondary veins, leaf-margins serrate |
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| – | Leaflets with 14–18 pairs of secondary veins, leaf-margins serrulate |
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