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62 results for “Dracaena”
FIGURE 3 in Observations on the Biology of Afrotropical Hesperiidae (Lepidoptera). Part 8. Hesperiinae incertae sedis: Dracaena Feeders
FIGURE 3. Caterpillar, pupa and adult of Gamia buchholzi, collected on Dracaena camerooniana, Ebogo, Cameroon [SCC]. 1–2, final instar caterpillar, dorsal view; 3, pupa lateral view, 15 Oct 2000; 4, pupa dorsal view; as #3; 5–6, newly emerged female at rest on D. steudneri.
FIGURE 1. Dracaena spp. food plants. 1, D in Observations on the Biology of Afrotropical Hesperiidae (Lepidoptera). Part 8. Hesperiinae incertae sedis: Dracaena Feeders
FIGURE 1. Dracaena spp. food plants. 1, D. steudneri (or near), Misuku Forest, north Malawi, 20 May 2004; 2, typical D. laxissima, in cultivation; 3, D. camerooniana, in cultivation; 4, D. afromontana in cultivation.
FIGURE 4 in Colletotrichum dracaenigenum, a new species on Dracaena fragrans
FIGURE 4. Results of the pairwise homoplasy index (PHI) test of closely related species using both LogDet transformation and splits decomposition. PHI test results (Φw) <0.05 indicate significant recombination within the dataset. The new taxon is in red bold type.
FIGURE 1. The best scoring phylogram generated from a in Colletotrichum dracaenigenum, a new species on Dracaena fragrans
FIGURE 1. The best scoring phylogram generated from a final MP dataset based on combined ITS, GAPDH, CHS-1, ACT and TUB2 sequence data. Bootstrap support values for maximum parsimony (MP, left) and maximum likelihood (ML, middle) are greater than 60% and Bayesian posterior probabilities (PP, right) equal to or greater than 0.95 are indicated at the nodes. The new taxon is bolded in red.
FIGURE 2 in Colletotrichum dracaenigenum, a new species on Dracaena fragrans
FIGURE 2. Sexual morph of Colletotrichum dracaenigenum (MFLU 18–1856, holotype). a. Dracaena fragrans. b, c, d. Appearance on host surface. e. Vertical section of ascomata. f. Peridium. g. Paraphyses. h, i. Asci. j–o. Ascospores. Scale bars: a = 2 cm, b, c = 2000 μm, e = 100 μm, g = 20 μm, f, h-i = 10 μm, j–o = 5 μm.
FIGURE 37 in Observations on the Biology of Afrotropical Hesperiidae (Lepidoptera). Part 8. Hesperiinae incertae sedis: Dracaena Feeders
FIGURE 37. Final instar caterpillar of unknown Artitropa sp. SCC04 collected on Dracaena sp., Anjozorobe, central Madagascar [SCC]. 1, detail of head, anterior view, 21 Nov 2006; 2, dorsolateral view, 11 Dec 2006; 3, dorsal view, 11 Dec 2006.
FIGURE 3 in Sansevieria (Asparagaceae, Nolinoideae) is a herbaceous clade within Dracaena: inference from non-coding plastid and nuclear DNA sequence data
FIGURE 3. Bayesian maximum clade reliability trees based on combined nuclear At103 and chloroplast rps16, trnL-F datasets for Dracaena, Sansevieria, and selected outgroups. The values above the branch represent the maximum parsimony bootstrap percentage (BS), and the ones below are the Bayesian posterior probability (PP). Bold branches indicate strong support, interpreted as ≥ 70 BS and ≥ 95 PP. Long branches were shortened by half their length (indicated by \\).
FIGURE 2 in Sansevieria (Asparagaceae, Nolinoideae) is a herbaceous clade within Dracaena: inference from non-coding plastid and nuclear DNA sequence data
FIGURE 2. Bayesian maximum clade credibility trees based on nuclear At103 (A) and chloroplast rps16, trnL-F (B) datasets for Dracaena and Sansevieria. Outgroups were trimmed from the Figure. The values above the branch represent the maximum parsimony bootstrap percentage (BS), and the ones below are the Bayesian posterior probability (PP). Bold branches indicate strong support, interpreted as ≥ 70 BS and ≥ 95 PP.
FIGURE 1 in Sansevieria (Asparagaceae, Nolinoideae) is a herbaceous clade within Dracaena: inference from non-coding plastid and nuclear DNA sequence data
FIGURE 1. Representative morphological diversity in the dracaenoid genera, Dracaena and Sansevieria. A, Dracaena draco subsp. draco, Spain, Canary Islands, Tenerife, Icod de los Vinos; B, D. konaensis, origin: USA, Hawai'i, Big Island, Kona coast, in cultivation at Kew (Acc. No. 2008-239); C, D. arborea, Gabon, Woleu-Ntem Rd, Mitzic to Njole; D, D. laxissima, São Tomé and Príncipe, São Nicolau; E, D. goldieana, origin: Gabon, in cultivation at Kew (Acc. No. 1990-2300); F, D. aubryana, Gabon, Woleu-Ntem Rd Mitzic to Njole; G, Sansevieria frequens, Kenya, Laikipia District, Ngare Ndare Farm (type locality); H, S. aethiopica, Namibia, 74 km from Windhoek, on road to Walvis Bay; I, S. fischeri, Kenya, Munda, 18.9 km NE of Mwatate on Taveta road; J, S. pinguicula, Kenya, by Kowi airstrip, north bank of Tiva Lugga; K, S. ascendens, Kenya, Coast Province, Kwale District, around base of Taru Hill (type locality); L, S. kirkii var. pulchra, in cultivation (private collection, Miami, FL). Photographs by A, L. Mucina; B, I. Willey; C, E–F, T.H.J. Damen; D, J.J.F.E. de Wilde; G-K, L. E. Newton; L, S. Zona.
FIGURE 1. Dracaena rosulata—A, B in Dracaena rosulata (Asparagaceae)-a new species from D.R. Congo
FIGURE 1. Dracaena rosulata—A, B, habit; C, detail of lower leaf surface showing veins; D, detail of inflorescence with postfloral flower; E, F, flowers. All drawn from the holotype by E. Fischer.
FIGURE 1 in Dracaena neobella nom. nov., a replacement name for D. bella (L.E.Newton) Byng & Christenh. (Asparagaceae)
FIGURE 1. Dracaena neobella. Based on the holotype: L.E.Newton 3945 (K[K000255823] (left image: 1st sheet), [K000255825](right image: 3rd sheet)).
Fig. 2 in Terpenoid profiles of resin in the genus Dracaena are species specific
Fig. 2. Heat map of 20 terpenic volatiles (columns) identified by SPME-GC × GC-MS analyses in five species (rows) of the Dracaena spp. The dendrograms were created using correlation-based distances and the Ward method of hierarchical clustering (P <0.05). Columns are coloured according to chemical class (light orange = monoterepenes M1-8, dark orange = sesquiterpenes S1-12, Table 1). Key: C – Dracaena draco subsp. draco from Canary Islands; E − D. ombet from Ethiopia; M – D. draco subsp. ajgal from Marocco; O – D. serrulata from Oman; S – D. cinnabari from Socotra. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 3 in Terpenoid profiles of resin in the genus Dracaena are species specific
Fig. 3. Principal component analyses (PCA) of transformed GC × GC-MS data of eight monoterpenes (M) identified in Dracaena spp. resin. (A) Variables factor map represents projection of variables (M1-8, Table 1) on the plane defined by the first two principal components. (B) Hierarchical clustering is score plot describing the species and their clustering. Coloured boxes indicate particular clusters. Key: C – Dracaena draco subsp. draco from Canary Islands; E − D. ombet from Ethiopia; M – D. draco subsp. ajgal from Marocco; O – D. serrulata from Oman; S – D. cinnabari from Socotra.
Fig. 1 in Terpenoid profiles of resin in the genus Dracaena are species specific
Fig. 1. Detail of SPME-GC × GC-MS analysis of Dracaena spp. terpenes. (A) Dracaena draco subsp. draco from Canary Islands, (B) D. draco subsp. ajgal from Marocco, (C) D. ombet from Ethiopia, (D) D. cinnabari from Socotra, (E) D. serrulata from Oman. Each dot represents one compound. The numbering corresponds to Table 1. The intensity of the signals is colour-coded from blue (zero) to red (maximum). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Data from: Current and future potential distributions of three Dracaena Vand. ex L. species under two contrasting climate change scenarios in Africa
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FIGURE 2 in Two new replacement names for Dracaena serrulata Baker and D. robusta Ridley (Asparagaceae, Nolinoideae)
FIGURE 2. Holotype of Dracaena robusta Ridley (K000292067).
FIGURE 1 in Two new replacement names for Dracaena serrulata Baker and D. robusta Ridley (Asparagaceae, Nolinoideae)
FIGURE 1. Holotype of Dracaena serrulata Baker (K000401100).
Figure 3 from: Wilkin P, Suksathan P, Keeratikiat K, van Welzen P, Wiland-Szymanska J (2013) A new species from Thailand and Burma, Dracaena kaweesakii Wilkin & Suksathan (Asparagaceae subfamily Nolinoideae). PhytoKeys 26: 101-112. https://doi.org/10.3897/phytokeys.26.5335
Figure 3 - Photographs of Dracaena kaweesakii showing its habit and reproductive morphology. A Trunk base of large individual showing and corky, fissured surface B habit of relatively small individual C habit viewed from below showing the rich branching D Fertile shoot apex showing the white leaf margins and bearing an inflorescence E Branch apex with infructescence rendered pendent by weight of fruit, narrow branch diameter and leaf scars F Flowers on partial inflorescence showing tepal, stamen and gynoecium orientation, shape and colour and axis indumentum. Photographs by Warakorn Kasempankul/Parinya Siriponamat (A, B, D, F) and Paul Wilkin (C, E).
Figure 2 from: Wilkin P, Suksathan P, Keeratikiat K, van Welzen P, Wiland-Szymanska J (2013) A new species from Thailand and Burma, Dracaena kaweesakii Wilkin & Suksathan (Asparagaceae subfamily Nolinoideae). PhytoKeys 26: 101-112. https://doi.org/10.3897/phytokeys.26.5335
Figure 2 - Reproductive organ morphology of Dracaena kaweesakii. A Part of partial inflorescence bearing solitary flowers B Flower in side view showing tepal shape and orientation and stamens C Flower with 2 tepals removed showing filaments shape and insertion and gynoecium D Branch apex showing infructescence in development and peduncular bracts E Branch apex with infructescence rendered pendent by weight of fruit F Submature fruit containing two seeds G The same fruit in cross-section H, J seed in dorsal and side view respectively. Scale bar: A, F, G 1 cm; B, C, H, J 7 mm; D 4 cm; E 10 cm. From Siriponamat 2 (A), Siriponamat 3 (D), Geesink et al. 8122 (F–J) and photographs. Drawn by Lucy Smith.
Figure 4 from: Wilkin P, Suksathan P, Keeratikiat K, van Welzen P, Wiland-Szymanska J (2013) A new species from Thailand and Burma, Dracaena kaweesakii Wilkin & Suksathan (Asparagaceae subfamily Nolinoideae). PhytoKeys 26: 101-112. https://doi.org/10.3897/phytokeys.26.5335
Figure 4 - A map showing the distribution of Dracaena kaweesakii in northern, northeastern and central Thailand based on both specimen data (●) and observations (■). Map Created with SimpleMappr, http://www.simplemappr.net (Shorthouse 2010).
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