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50 results for “Coccinia”
Figure 32 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 32 - Reconstruction of the habit of Coccinia keayana based on C.C.H. Jongkind et al. 6542 (WAG). Black bar equals 1 cm.
Figure 20 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 20 - Distribution map of Coccinia abyssinica (pale yellow dots; based on 23 collections) and Coccinia megarrhiza (blue dots; based on 28 collections). For Ethiopia the borders of the regions are given.
Figure 7 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 7 - a Male flower of Coccinia grandis (N. Holstein 37). Apices of the petals and calyx lobes, as well as major teeth on the leaf margin are colored in red. Minor margin teeth are inconspicuously colored. The calyx lobes in Coccinia grandis are spreading in flower buds and reflexed in mature flowers b Male plant of Coccinia sessilifolia. Darkish glands (extranuptial nectaries) are commonly found at the base of a lower leaf lamina. The calyx lobes are unusually large in this specimen (cp. Fig. 2b).
Figure 2 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 2 - a Female flower bud of Coccinia microphylla (N. Holstein et al. 90); picture taken during the dry season. The stem is completely lignified, and only green short shoots are produced b Male plant of Coccinia sessilifolia. The stem is glaucous and does not lignify. Unusually, the bract is 3-lobate leaf-like.
Figure 6 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 6 - Leaf shape variability in Coccinia senensis. a H.J. Schlieben 5259 (HBG) b E.M.C. Groenendijk et al. 1031 (WAG) c A.R. Torre et al. 18788 (MO). Black bars equal 1 cm.
Figure 19 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 19 - Scenario of evolution in the Coccinia adoensis clade. The green line surrounds today's distribution of Coccinia adoensis. Blue lines surround today's distributions of Coccinia senensis and Coccinia pwaniensis. Blue arrows indicate peripatric speciation without shift in precipitation preference. Yellow arrows indicate speciation with shifts towards more arid habitats. Black arrows indicate speciation with shift towards more humid habitats.
Figure 18 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 18 - Phylogenetic relationships in Coccinia based on 505 nucleotides of the nuclear LEAFY-like 2nd intron, obtained for 37 accessions from 23 species analyzed under maximum likelihood (ML) and the GTR + Γ model. Numbers below branches refer to ML bootstrap support > 80% from 1000 replicates. The dots at nodes and behind the two accessions refer to uniquely shared indels. Roman numbers indicate clades as discussed in the text: I = Coccinia adoensis clade, II = Coccinia quinqueloba group, III = Coccinia barteri clade, and IV = Coccinia rehmannii clade.
Figure 25 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 25 - Distribution map of Coccinia grandiflora (based on 62 collections). For Tanzania the borders of the regions are given.
Figure 15 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 15 - Chromosome preparations fixed in 3:1 EtOH – acetic acid and stained with orcein, objective lens: 100×. a Mitotic plate of a male Coccinia grandis (2n = 22 + XY) b Mitotic plate of a male plant of Coccinia hirtella (2n = 24) c Phase contrast image of a mitotic plate of a male plant of Coccinia sessilifolia (2n = 24).
Figure 30 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 30 - Distribution map of Coccinia hirtella (pale yellow dots; based on 22 collections), Coccinia mackenii (blue triangles; based on 50 collections), and Coccinia quinqueloba (blue dots; based on 38 collections). For South Africa the borders of the provinces are given.
Figure 14 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 14 - Seeds of Coccinia. The lack of fibers in e and f are preparation artifacts due to mechanical removal of the hyaline aril. Maceration (coarse crushing of the fruit and soaking of the mass in water for 2–3 weeks; R. Brüggemann – pers. comm.) retains the surface fibers. Length of white bars equals 1 mm. a Seeds of Coccinia adoensis var. jeffreyana (plant derived from seed of the same fruit: N. Holstein 130). Note the lenticular face and symmetrical shape of the seed b seeds of Coccinia abyssinica (plant derived from seed of the same fruit: N. Holstein 120 and 132) c Seeds of Coccinia trilobata d Seeds of Coccinia sessilifolia (harvested by maceration) e Seeds of Coccinia sessilifolia (harvested by mechanical extraction; taken from N. Holstein 119) f Seeds of Coccinia grandis (harvested by mechanical extraction).
Figure 13 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 13 - a Ripening fruit of Coccinia hirtella. Note the typical lobulate leaves of this species in the lower right b Ripening fruit of Coccinia sessilifolia. The fruit, like the plant, bears a waxy bloom c Ripening fruits of Coccinia megarrhiza have a dark green halo around the white longitudinal mottling. The left fruit is derived from pollination with Coccinia megarrhiza pollen, whereas the smaller fruit on the right is derived from cross-pollination with Coccinia trilobata (both pollinations were conducted on the same day).
Figure 11 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 11 - a Longitudinal section of a female Coccinia hirtella flower (size of the small squares is 1 mm²). Perianth and style were detached. The pollen sacs on the staminodes are highly reduced. The introrse side of the staminodes bears long trichomes that in intact flowers touched the style b Female flower of Coccinia rehmannii var. rehmannii with bilobate stigma arms c Female flower of Coccinia megarrhiza with bulging stigma arms.
Figure 39 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 39 - Inflorescence of a male Coccinia senensis, note the long triangulate (may be narrower in other collections, then subulate) calyx lobes in contrast to the calyx lobes of Coccinia adoensis var. adoensis in Fig. 21; picture taken from the neotype (H.J.E. Schlieben 5259 (M)). Black bar equals 1 cm.
Figure 16 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 16 - Hybrids of Coccinia species. a Coccinia grandis ♀ × Coccinia hirtella ♂ b Coccinia hirtella ♀ × Coccinia grandis ♂ c Coccinia grandis ♀ × Coccinia pwaniensis ♂; note that the pollen sacs are not open although the flower is in full bloom indicating sterility d Left flower: male Coccinia sessilifolia, right flower: male flower of Coccinia grandis ♀ × Coccinia sessilifolia ♂ (Coccinia grandis flowers are about equally sized as Coccinia sessilifolia).
Figure 40 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 40 - Distribution map of Coccinia sessilifolia var. sessilifolia (pale yellow dots; based on 133 collections) and Coccinia sessilifolia var. variifolia (blue dots; based on 7 collections). For South Africa the borders of the provinces are given.
Figure 12 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 12 - a Cross-section through an ovary of Coccinia hirtella. The ovules are anatropous with the micropyle facing outwards b Cross- and longitudinal section of a Coccinia megarrhiza fruit. The seeds are enclosed in a hyaline hull (aril) and seemingly attached to the periphery c Cross-section through a fruit of Coccinia sessilifolia. Note that the vascular bundles in the lower left of the picture bend in the periphery, so the placentation is not parietal but involute.
Figure 1 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 1 - a Young plant of Coccinia grandis. The hypocotyl is already thickened and lignifies later-on to a tuber. The cotyledons are glabrous, have an entire margin and an obtuse apex b Adventitious root on Coccinia grandis; the beige structure to the left is a dry tendril.
Figure 10 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 10 - a Male plant of Coccinia rehmannii [aff. var. littoralis] (N. Holstein 126). The plant was raised from seeds of a female plant with ovoid fruits (B. Jarret – pers. comm.) b Male flower of Coccinia adoensis var. aurantiaca (N. Holstein et al. 85). The halictid bee (H. Schaefer – pers. comm.) circled around the globose anther head harvesting pollen. The scent of the flower was strong and honey melon-like.
Figure 17 from: Holstein N (2015) Monograph of Coccinia (Cucurbitaceae). PhytoKeys 54: 1-166. https://doi.org/10.3897/phytokeys.54.3285
Figure 17 - Phylogenetic relationships in Coccinia based on five plastid DNA loci (matK, ndhF–rpl32 intergenic spacer (IS), rpl20–rps12 IS, trnL intron, trnL–trnF IS, trnS–trnG IS) obtained for 75 accessions from 24 species. Shown is the topology of the 50% majority rule consensus tree obtained from Bayesian analysis including simple gap coding for ingroup InDels. Numbers above the branches are posterior probability values ≥ 0.98 with values "with InDel coding" first, followed by "without InDel coding." Numbers below the branches are bootstrap support values from ML analysis. Topologies from the different analyses were not contradictive, although some clades were not resolved without gap coding. Roman numbers indicate clades as discussed in the text: I = Coccinia adoensis clade, II = Coccinia quinqueloba group, III = Coccinia barteri clade, and IV = Coccinia rehmannii clade.
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