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10 results for “Hiptage”
A new species of Hiptage (Malpighiaceae) from Nujiang Gorge of Southwest China
Hiptage lushuiensis, a new species from the Hengduan Mountains, northwestern Yunnan Province, China, is here described and illustrated. This species was found growing at the margin of an open forest in the Nujiang Gorge of Lushui City. H. lushuiensis is distinctive for its pink petals, 2 or more calyx glands, large and red pink samara with white hairs. This species is isolated in the deep gorge (25°51′N, 98° 51′E, altitude 917 m), located at the northern edge of the genus's distribution range. These distinctive differences in morphological traits and geographical location suggest a history of long-distance dispersal and allopatric speciation for this new species
Historical biogeography and character-mapping of Hiptage (Malpighiaceae) corroborate Indochina's rainforests as one of the main sources of plant diversity in Southeastern Asia
<p>In Malpighiaceae,<b> </b><i>Hiptage</i> represents one of the seven past dispersal events from the Neotropics to the Paleotropical region, being by far the most widely diversified and distributed genus of Paleotropical Malpighiaceae. In this study, we tested the monophyly of the current infrageneric classification of <i>Hiptage</i> with a dated and calibrated molecular phylogeny. We also reconstructed ancestral areas to elucidate which route led to the colonization of Southeast Asia by the most recent common ancestor (MRCA) of this genus (Mainland or Indian routes). The pre-existing infrageneric classification of <i>Hiptage</i> was recovered as non-monophyletic due to being solely based on homoplasic morphological characters, such as the presence and number of sepal nectar glands. Regarding its biogeography, the MRCA of <i>Hiptage</i> arose in the rainforests of southeast Asia ca. 24.0 Mya and greatly diversified in this region. Few lineages have dispersed eastward to the pacific islands or westwards to India. Based on our results, we hypothesize that the MRCA of <i>Hiptage</i> did not take the Indian route to reach Southeastern Asia. Instead, it reached this region by past mainland forest connections between North America-Europe (Boreotropical hypothesis) and southeast Asia. Nonetheless, distribution ranges for the species of <i>Hiptage</i> must be carefully revised, and the five species of <i>Hiptage</i> endemic to India must also be sampled so we can properly test which route led the MRCA of <i>Hiptage</i> to reach Southeast Asia in the early Miocene.</p>
Historical biogeography and character-mapping of Hiptage (Malpighiaceae) corroborate Indochina's rainforests as one of the main sources of plant diversity in Southeastern Asia
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A new species of Hiptage (Malpighiaceae) from Nujiang Gorge of Southwest China
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Figure 4 from: Tan K, Zheng H-L, Dong S-P, Ren M-X (2019) Molecular phylogeny of Hiptage (Malpighiaceae) reveals a new species from Southwest China. PhytoKeys 135: 91-104. https://doi.org/10.3897/phytokeys.135.37011
Figure 4 Distribution map of the new species Hiptage incurvatum and the other 12 species of the genus known in China and nearby regions.
Figure 2 from: Tan K, Zheng H-L, Dong S-P, Ren M-X (2019) Molecular phylogeny of Hiptage (Malpighiaceae) reveals a new species from Southwest China. PhytoKeys 135: 91-104. https://doi.org/10.3897/phytokeys.135.37011
Figure 2 Hiptage incurvatum K.Tan & M.X.Ren, sp. nov. A, B habit C flowering branch D flower in frontal view E flower with petals removed in sideview F flower with petals removed in dorsal view showing two large glands on the dorsal sepals) G flowers in sideview H detached petals I young leaf in adaxial view J young samaras K mature samaras L leaf branch in adaxial view. Photos A–C by M. X. Ren, J, K by H. L. Zheng and D–I, L by K. Tan.
Figure 3 from: Tan K, Zheng H-L, Dong S-P, Ren M-X (2019) Molecular phylogeny of Hiptage (Malpighiaceae) reveals a new species from Southwest China. PhytoKeys 135: 91-104. https://doi.org/10.3897/phytokeys.135.37011
Figure 3 Line drawing of Hiptage incurvatum K.Tan & M.X.Ren, sp. nov. A flowering branches B flower (in sideview) C sepals showing two large glands on the dorsal sepals and small glands on the remaining sepals D samara in dorsal view, showing the curved lateral wings E samara in sideview. Drawings by Ya-Jing Zhang based on K. Tan and M.X. Ren 2019033109 (HUTB).
Figure 1 from: Tan K, Zheng H-L, Dong S-P, Ren M-X (2019) Molecular phylogeny of Hiptage (Malpighiaceae) reveals a new species from Southwest China. PhytoKeys 135: 91-104. https://doi.org/10.3897/phytokeys.135.37011
Figure 1 Molecular phylogeny for 17 species of Hiptage and two Neotropical outgroups based on ITS sequences. Bayesian posterior probability (PP) and MP bootstrap values (BS) are showed above branches as PP/BS (only shown if BS > 50%). H. incurvatum was shown in grey. The red, blue, black clades indicate reflexed petals, erect petals, and unknown, respectively. Inserted photos indicate petal-reflexed flowers (red branches) and petal-plat flowers (blue branches). Black branches represent the unclear mode.
Figure 2 from: Yang B, Ding H-B, Li J-W, Tan Y-H (2018) Two new species of Hiptage (Malpighiaceae) from Yunnan, Southwest of China. PhytoKeys 110: 81-89. https://doi.org/10.3897/phytokeys.110.28673
Figure 2 Hiptageferruginea Y.H. Tan & Bin Yang, sp. nov. A, B Habit C Flowering branch D, E Inflorescence F Flower (lateral view) G Flower (dorsal view) H Flower (frontal view) I Petals J Flower (picked petals) K, L Samaras M Leaf (abaxial view) N Leaf (adaxial view) O Leaf base (showing the marginal glands). Photographed by B. Yang.
Figure 1 from: Yang B, Ding H-B, Li J-W, Tan Y-H (2018) Two new species of Hiptage (Malpighiaceae) from Yunnan, Southwest of China. PhytoKeys 110: 81-89. https://doi.org/10.3897/phytokeys.110.28673
Figure 1 Hiptagepauciflora Y.H.Tan & Bin Yang, sp. nov. A, B Habit C Inflorescence (lateral view) D Inflorescence (frontal view) E Flowering branch F Flower bud G Flowers (lateral view) H Flower (frontal view) I Flower (I1 Petals; I2 the longest stamen; I3 the 9 short stamens; I4 Pedicel; I5 Calyx; I6 Style) J Samaras (lateral view and showing calyx gland) K Samaras (vertical view) L Samaras (dorsal view) M Leaves (adaxial view). Photographed by Y.H. Tan, H.B. Ding and B. Yang.
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