Published June 22, 2021
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Table 1 in Two new species of Sonerila Roxb. (Melastomataceae) from Laos
Authors/Creators
- 1. Faculty of Environmental Sciences, National University of Laos, Dongdok Campus, Xaythany District, Vientiane Capital, Laos.
- 2. Faculty of Forest Science, National University of Laos, Dongdok Campus, Xaythany District, Vientiane Capital, Laos.
- 3. Centre for Development and Environment, Lao Country Office, Unit 11, # 136, Simuang Road, Hom 1, P. O. Box 1438, Ban Phapo, Vientiane, Laos.
- 4. Association for Community Development (ACD), Salavan Province, Laos.
- 5. The Kagoshima University Museum, Kagoshima University, Kagoshima, Japan.
Description
Table 1. Comparison of Sonerila erectifolia Phonep., Soulad. & Tagane sp. nov. and S. violifolia Hook. f. ex Triana. 1 = from Renner et al. 2001.
| Characters | Sonerila erectifolia | Sonerila violifolia 1 |
|---|---|---|
| Habit | acaulescent herb or with rhizomatous stem, 10–14(–20) cm tall including inflorescences | somewhat succulent rhizomatous herb or with stem, 10–18 cm tall |
| Rhizome | cylindrical, 2–3 cm long and 5–10 mm in diam, with long blonde hairs | succulent |
| Stem | ca 1 cm long, with long blonde hairs; internodes almost absent | 10–18 cm tall, cover with conspicuous 4–6 mm long; internodes up to 4 cm long; reddish brown setae, especially at the nodes |
| Petiole | 6–10 cm long, light green to reddish green, sparsely covered with long pale green hairs | 1–7 cm long, glabrous |
| Lamina (ordinary leaves) | elliptic-oblong, ovate-elliptic, 4–6 × 2–2.5 cm | ovate or elliptic-ovate, 3–8(–11) × 1.5–4(–7) cm |
| Number of lateral primary veins | 2 pairs | 2–3 pairs |
| Peduncle length | 10–15 cm long | 2–9 cm long |
| Pedicel length | 6–12 mm long | 2–3 mm long |
| Number of flowers per inflorescence | 5–12(–18) flowers | 1–9 flowers |
| Hypanthium | cylindrical, 8–9 × 2 mm | campanulate, 5–6 × ca 2 mm |
| Petal | elliptic-obtuse, 9–11 × 5–6 mm | oblong or ovate, acuminate, 8–10 mm long |
Notes
Published as part of Phonepaseuth, Phongphayboun, Souladeth, Phetlasy, Souvannakhoummane, Keooudone, Vongthavone, Thyraphon & Tagane, Shuichiro, 2021, Two new species of Sonerila Roxb. (Melastomataceae) from Laos, pp. 138 in European Journal of Taxonomy 755 on page 138, DOI: 10.5852/ejt.2021.755.1403, http://zenodo.org/record/5012980
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Additional details
Identifiers
References
- POWO. 2020. Sonerila Roxb. Available from http: // powo. science. kew. org / taxon / urn: lsid: ipni. org: names: 331970 - 2 [accessed 7 Jun. 2021]. Renner S. S., Clausing G., Cellinese N. & Meyer K. 2001. Melastomataceae. In: Santisuk T. & Larsen K. (eds) Flora of Thailand. Vol. 7 (3): 412 - 497. The Forest Herbarium, Bangkok.