Hydnophytum grandifolium Valeton
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2019
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| _version_ | 1866901926300352512 |
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| author | Jebb, M. H. P. Huxley, C. R. |
| author_facet | Jebb, M. H. P. Huxley, C. R. |
| contents | <p><b>13. <i>Hydnophytum grandifolium</i> Valeton — Fig. 16</b></p><p><i>Hydnophytum grandifolium</i> Valeton (1912b) 773. — Type: <i>Gjellerup 226</i> (lectotype selected here L; iso BO), New Guinea, Papua Province, Jayapura.</p><p><i>Tuber</i> large. <i>Stems</i> numerous, to 75 cm; thickened, internodes 2.5–10 by 0.4–0.7 cm. <i>Leaves</i> subsessile. Lamina broadelliptic; 12 by 7 to 24 by 16 cm; apex obtuse to subacuminate, base rounded; midrib broadening to base, prominent below, lateral nerves 7–9. Petiole 0–0.2 cm; stipules caducous. Inflorescence a pair, or up to 6 short, axillary peduncles to 1 by 0.4 cm. <i>Flowers</i> [1]?heterostylous. Calyx 1.5 mm, entire. Corolla tube 4 mm, with a band of hairs at mouth, lobes 4 mm, lanceolate. Anthers 3.7 mm, exserted. Stigma 2-fid, at mouth of tube. <i>Fruit</i> ellipsoid, 5.5 by 4.5 mm, red. Pyrenes obovateoblong, 4 by 2.5 mm; apex truncate, notched, with a central acute appendage 1.5 mm long; base truncate.</p><p>Ecology & Habitat — Epiphytic on <i>Casuarina</i>, 160 m. Tuber ant-inhabited.</p><p>Distribution — Indonesia (Papua Province).</p><p>Conservation status — Vulnerable (VU) under criteria D2 with only the type specimen known.</p><p>Note — Like a very big-leaved <i>H. moseleyanum</i>, but the inflorescences are more numerous, with up to 6 peduncles, and the anthers are much larger. While it is very similar to <i>H. moseleyanum</i> [14] it appears to be sympatric with that species and no intermediate forms have been collected.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_16882274 |
| institution | Zenodo |
| language | |
| publishDate | 2019 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Hydnophytum grandifolium Valeton Jebb, M. H. P. Huxley, C. R. Biodiversity Taxonomy Plantae Tracheophyta Magnoliopsida Gentianales Rubiaceae Hydnophytum Hydnophytum grandifolium <p><b>13. <i>Hydnophytum grandifolium</i> Valeton — Fig. 16</b></p><p><i>Hydnophytum grandifolium</i> Valeton (1912b) 773. — Type: <i>Gjellerup 226</i> (lectotype selected here L; iso BO), New Guinea, Papua Province, Jayapura.</p><p><i>Tuber</i> large. <i>Stems</i> numerous, to 75 cm; thickened, internodes 2.5–10 by 0.4–0.7 cm. <i>Leaves</i> subsessile. Lamina broadelliptic; 12 by 7 to 24 by 16 cm; apex obtuse to subacuminate, base rounded; midrib broadening to base, prominent below, lateral nerves 7–9. Petiole 0–0.2 cm; stipules caducous. Inflorescence a pair, or up to 6 short, axillary peduncles to 1 by 0.4 cm. <i>Flowers</i> [1]?heterostylous. Calyx 1.5 mm, entire. Corolla tube 4 mm, with a band of hairs at mouth, lobes 4 mm, lanceolate. Anthers 3.7 mm, exserted. Stigma 2-fid, at mouth of tube. <i>Fruit</i> ellipsoid, 5.5 by 4.5 mm, red. Pyrenes obovateoblong, 4 by 2.5 mm; apex truncate, notched, with a central acute appendage 1.5 mm long; base truncate.</p><p>Ecology & Habitat — Epiphytic on <i>Casuarina</i>, 160 m. Tuber ant-inhabited.</p><p>Distribution — Indonesia (Papua Province).</p><p>Conservation status — Vulnerable (VU) under criteria D2 with only the type specimen known.</p><p>Note — Like a very big-leaved <i>H. moseleyanum</i>, but the inflorescences are more numerous, with up to 6 peduncles, and the anthers are much larger. While it is very similar to <i>H. moseleyanum</i> [14] it appears to be sympatric with that species and no intermediate forms have been collected.</p> |
| title | Hydnophytum grandifolium Valeton |
| topic | Biodiversity Taxonomy Plantae Tracheophyta Magnoliopsida Gentianales Rubiaceae Hydnophytum Hydnophytum grandifolium |
| url | https://doi.org/10.5281/zenodo.16882274 |