Published December 13, 2022
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Table 1 in Three new species of Elatostema (Urticaceae) from Thailand
Authors/Creators
- 1. Applied Taxonomic Research Center, Department of Biology, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
- 2. Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin, 541006, China
- 3. National Biobank of Thailand, National Science and Technology Development Agency, Thailand Science Park, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand
Description
Table 1. Comparison of Elatostema atroviride, E. bulbiferum, E. kaweesakii, E. rubricaule and E. saxatile.
| Characters | E. atroviride | E. kaweesakii | E. rubricaule | E. saxatile | E. bulbiferum |
|---|---|---|---|---|---|
| Habitat | lithophyte in limestone soils | lithophyte in limestone crevices | lithophyte on sandstone rocks | lithophyte on sandstone rocks | lithophyte in limestone crevices |
| Rhizome | slender rhizome or stoloniferous | large swollen rounded rhizome | flattened, disk-like rhizome | flattened, disk-like rhizome | swollen rounded rhizome |
| Stem | Simple or branched, greenish, pubescent | Simple or branched, greenish, glabrous | Simple, reddish, glabrous | Simple or branched, greenish, glabrous | Simple or branched, greenish, glabrous |
| Nanophyll | absent | absent | absent | present | present |
| Leaf margin | dentate | serrate to dentate | entire | serrate | serrate |
| Leaf apex | acuminate | acuminate | obtuse | acute | acuminate to caudate |
| Staminate inflorescences: type | Capitate | Capitate | Umbellate | Umbellate | Umbellate |
| Staminate inflorescences: receptacle | elliptic, chartaceous, pubescent | rectangular, chartaceous, glabrous | absent | absent | absent |
| Staminate inflorescences: peduncle | 2-5 mm long | 2-7 cm long | 2- 3 cm long | 1-5 cm long | 2-5 cm long |
| Staminate flower: tepal number | 4 | 5 | 5 | 5 | 5 |
| Pistillate inflorescences: type | capitate | capitate | capitate | capitate | capitate |
| Pistillate inflorescences: receptacle | oblong, membranous, pubescent | rectangular, chartaceous, glabrous | elliptic, membranous, glabrous | elliptic, membranous, glabrous | elliptic, membranous, pubescent |
| Pistillate inflorescences: peduncle | 2-4 mm long, glabrous | 5-10 mm long, glabrous | sessile to subsessile, glabrous | 0.5-5 mm long, glabrous | 0-2 mm long, glabrous |
| Pistillate flower: tepal number | 3 | absent | 5 | 5 | 5 |
| Pistillate flower: staminode | absent | 3 | 5 | 5 | absent |
| Achene | 6-8 ribbed | smooth | smooth | smooth | smooth |
Notes
Published as part of Triyutthachai, Natthawut, Fu, Long-Fei, Triboun, Pramote, Wei, Yi-Gang & Pornpongrungrueng, Pimwadee, 2022, Three new species of Elatostema (Urticaceae) from Thailand, pp. 37 in PhytoKeys 215 on page 37, DOI: 10.3897/phytokeys.215.94591
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