Lasianthus trichophlebus var. trichophlebus

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Autori principali: Zhu, H., Roos, M. C., Ridsdale, C. E.
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Pubblicazione: Zenodo 2012
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author Zhu, H.
Roos, M. C.
Ridsdale, C. E.
author_facet Zhu, H.
Roos, M. C.
Ridsdale, C. E.
contents <p><b>a. var. <i>trichophlebus</i> — Map 10</b></p><p><i>Lasianthus trichophlebus</i> Hemsl. (1888) 388; H. Zhu (1994) 70; H.S. Lo (1999) 95; H. Zhu (2001b) 144; (2002) 92. —</p><p>Type: <i>Ford 113</i> (holo K), Guangdong, Luo Fu Shan.</p><p><i>Lasianthus barbellatus</i> Ridl. (1917a) 187; (1923a) 164; Craib (1934) 208; K.M. Wong (1989) 368. — <i>Lasianthus trichophlebus</i> Hemsl. subsp. <i>barbellatus</i> (Ridl.) H. Zhu (2001b) 144. — Type: <i>Burkill 976</i> (holo SING; iso K), Peninsular Malaysia, Pahang, Pulau Tiuman, Juara Bay.</p><p><i>Lasianthus cupreus</i> Pierre ex Pit. (1924) 392. — Type: <i>Harmand s.n.</i> (<i>Pierre Herb</i>. <i>no. 6173</i>) (lecto P, designated by Zhu 2001b), Vietnam, Condor.</p><p><i>Lasianthus andamanicus</i> Hook.f. var. <i>ciliatus</i> Deb & M.Gangop. (1987) 458, syn. nov. — Type: <i>Balakrishnan 654</i> (holo CAL; iso E, PBL), S Andaman.</p><p>Shrubs; 1–2 m high; branchlets terete, c. 2 mm diam, sparsely strigillose or glabrous but densely strigillose on nodes. <i>Leaves</i>: blades oblong, elliptic-oblong, 8 –15 by 3– 5 cm, coriaceous, glabrous above, strigillose or hirsute on midrib and nerves beneath, apex cuspidate or acute, base cuneate, midrib and nerves flat or slightly prominent above, prominent beneath, nerves 7–9 pairs, ascending at an angle of over 50°, curved to the margin, nervules distinct above, prominent beneath, parallel; petioles 5 – 8 mm strigillose. <i>Stipules</i> triangular-lanceolate, to 8 mm long, densely strigillose. <i>Cymes</i> sessile, bracts absent. <i>Flowers</i> subsessile, 4-merous; calyx campanulate, c. 2 mm long, strigillose outside, tube c. 1 mm long, with 4 triangular teeth, teeth c. 1 mm long, spreading strigillose; corolla 6 – 8 mm long, densely strigillose in the upper half outside. <i>Drupes</i> subglobose, 5 – 6 mm diam, verrucose, sparsely strigillose, crowned by persistent strigillose calyx lobes; pyrenes 4, verrucose on the abaxial face.</p><p>Distribution — India (Andaman and Nicobar Islands), South China, South Vietnam, Thailand, Peninsular Malaysia, Indonesia (Sumatra, Java, Sulawesi, Lesser Sunda Islands), Philippines (Palawan, Mindoro).</p><p>Notes <i>— Lasianthus trichophlebus</i> was often confused with both <i>L. chinensis</i> and <i>L. verticillatus</i>. However, it differs from <i>L. chinensis</i> by having coriaceous leaves with 7–9 pairs of nerves and parallel veinlets; stipules triangular-lanceolate, strigillose, 5 mm long; flowers usually 4-merous as well as drupes with 4 pyrenes. It differs from <i>L. verticillatus</i> by having strigillose hairs on young branches and leaf nerves beneath; stipules triangular-lanceolate, strigillose, more than 5 mm long; flowers usually 4-merous; calyx with strigillose triangular lobes, and drupes with 4 pyrenes and verrucose on external surface. <i>Lasianthus trichophlebus</i> subsp. <i>barbellatus</i> was considered to be different from the typical subspecies by having relatively small and elliptic leaves. After more Malesian specimens were examined, it became clear that <i>L. trichophlebus</i> subsp. <i>barbellatus</i> cannot be separated from <i>L. trichophlebus</i>.</p>
format Recurso digital
id zenodo_https___doi_org_10_5281_zenodo_17487822
institution Zenodo
language
publishDate 2012
publisher Zenodo
record_format zenodo
spellingShingle Lasianthus trichophlebus var. trichophlebus
Zhu, H.
Roos, M. C.
Ridsdale, C. E.
Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Gentianales
Rubiaceae
Lasianthus
Lasianthus trichophlebus
Var. trichophlebus
<p><b>a. var. <i>trichophlebus</i> — Map 10</b></p><p><i>Lasianthus trichophlebus</i> Hemsl. (1888) 388; H. Zhu (1994) 70; H.S. Lo (1999) 95; H. Zhu (2001b) 144; (2002) 92. —</p><p>Type: <i>Ford 113</i> (holo K), Guangdong, Luo Fu Shan.</p><p><i>Lasianthus barbellatus</i> Ridl. (1917a) 187; (1923a) 164; Craib (1934) 208; K.M. Wong (1989) 368. — <i>Lasianthus trichophlebus</i> Hemsl. subsp. <i>barbellatus</i> (Ridl.) H. Zhu (2001b) 144. — Type: <i>Burkill 976</i> (holo SING; iso K), Peninsular Malaysia, Pahang, Pulau Tiuman, Juara Bay.</p><p><i>Lasianthus cupreus</i> Pierre ex Pit. (1924) 392. — Type: <i>Harmand s.n.</i> (<i>Pierre Herb</i>. <i>no. 6173</i>) (lecto P, designated by Zhu 2001b), Vietnam, Condor.</p><p><i>Lasianthus andamanicus</i> Hook.f. var. <i>ciliatus</i> Deb & M.Gangop. (1987) 458, syn. nov. — Type: <i>Balakrishnan 654</i> (holo CAL; iso E, PBL), S Andaman.</p><p>Shrubs; 1–2 m high; branchlets terete, c. 2 mm diam, sparsely strigillose or glabrous but densely strigillose on nodes. <i>Leaves</i>: blades oblong, elliptic-oblong, 8 –15 by 3– 5 cm, coriaceous, glabrous above, strigillose or hirsute on midrib and nerves beneath, apex cuspidate or acute, base cuneate, midrib and nerves flat or slightly prominent above, prominent beneath, nerves 7–9 pairs, ascending at an angle of over 50°, curved to the margin, nervules distinct above, prominent beneath, parallel; petioles 5 – 8 mm strigillose. <i>Stipules</i> triangular-lanceolate, to 8 mm long, densely strigillose. <i>Cymes</i> sessile, bracts absent. <i>Flowers</i> subsessile, 4-merous; calyx campanulate, c. 2 mm long, strigillose outside, tube c. 1 mm long, with 4 triangular teeth, teeth c. 1 mm long, spreading strigillose; corolla 6 – 8 mm long, densely strigillose in the upper half outside. <i>Drupes</i> subglobose, 5 – 6 mm diam, verrucose, sparsely strigillose, crowned by persistent strigillose calyx lobes; pyrenes 4, verrucose on the abaxial face.</p><p>Distribution — India (Andaman and Nicobar Islands), South China, South Vietnam, Thailand, Peninsular Malaysia, Indonesia (Sumatra, Java, Sulawesi, Lesser Sunda Islands), Philippines (Palawan, Mindoro).</p><p>Notes <i>— Lasianthus trichophlebus</i> was often confused with both <i>L. chinensis</i> and <i>L. verticillatus</i>. However, it differs from <i>L. chinensis</i> by having coriaceous leaves with 7–9 pairs of nerves and parallel veinlets; stipules triangular-lanceolate, strigillose, 5 mm long; flowers usually 4-merous as well as drupes with 4 pyrenes. It differs from <i>L. verticillatus</i> by having strigillose hairs on young branches and leaf nerves beneath; stipules triangular-lanceolate, strigillose, more than 5 mm long; flowers usually 4-merous; calyx with strigillose triangular lobes, and drupes with 4 pyrenes and verrucose on external surface. <i>Lasianthus trichophlebus</i> subsp. <i>barbellatus</i> was considered to be different from the typical subspecies by having relatively small and elliptic leaves. After more Malesian specimens were examined, it became clear that <i>L. trichophlebus</i> subsp. <i>barbellatus</i> cannot be separated from <i>L. trichophlebus</i>.</p>
title Lasianthus trichophlebus var. trichophlebus
topic Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Gentianales
Rubiaceae
Lasianthus
Lasianthus trichophlebus
Var. trichophlebus
url https://doi.org/10.5281/zenodo.17487822