Published May 23, 2023
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TABLE 1 in Globba praetermissa (Zingiberaceae), a new species of G. sect. Globba from Yunnan, China
Authors/Creators
- 1. Key Laboratory of Plant Resources Conservation & Sustainable Utilisation, South China Botanical Garden, Chinese Academy of Sciences, 510650, Guangzhou, People's Republic of China & College of Life Sciences, Gannan Normal University, 341000, Ganzhou, People's Republic of China & jinjiayi @ scbg. ac. cn; https: // orcid. org / 0000 - 0002 - 7631 - 532 X
- 2. School of Landscape Architecture, Beijing Forestry University, National Engineering Research Center for Floriculture Beijing, 100083, Beijing, People's Republic of China & wangyihui @ bjfu. edu. cn; https: // orcid. org / 0000 - 0001 - 7186 - 7814
- 3. Key Laboratory of Plant Resources Conservation & Sustainable Utilisation, South China Botanical Garden, Chinese Academy of Sciences, 510650, Guangzhou, People's Republic of China & nhxia @ scbg. ac. cn; https: // orcid. org / 0000 - 0001 - 9852 - 7393
- 4. Key Laboratory of Plant Resources Conservation & Sustainable Utilisation, South China Botanical Garden, Chinese Academy of Sciences, 510650, Guangzhou, People's Republic of China & bailin @ scbg. ac. cn; https: // orcid. org / 0000 - 0001 - 8464 - 8688
Description
TABLE 1. Morphological comparison of Globba praetermissa, G. purpurascens and G. marantina.
| G. praetermissa | G. purpurascens | G. marantina | |
|---|---|---|---|
| Stem length | 60–90 cm | 30–40 cm | 30–60 cm |
| Color of leaf sheaths | green, lower ones somewhat purple | purple | green, lower ones somewhat purple |
| Leaf petiole | nearly absent at lower leaves, slightly elongated to 5 mm on upper leaves | absent | ca 6–10 mm long. |
| Indumentum of abaxial surface of laminae | pubescent | pubescent | puberulent |
| Inflorescence | lax, pendent, 5–12 cm long, peduncle 1–1.5 cm long beyond leaf sheaths | lax, pendent, 4–5 cm long, peduncle 3–4 mm long beyond leaf sheaths | dense, erect, 6 cm long, peduncle is surrounded by bracts and leaf sheaths |
| Bracts | reflexed, ovate, pale green, pubescent on both sides, densely ciliate | held at ca 90° to rachis, lanceolate, green with purple tinge, pubescent on both sides, densely ciliate | enclosing the inflorescence, ovate, green, puberulent on both sides, sparsely ciliate |
| Cincinni | straight, rachilla up to 4 cm long, peduncle of cincinni 8–12 mm | straight, rachilla 1.5–2 cm long, peduncle of cincinni 6–7 mm | arched, rachilla ca 2 cm long, peduncle of cincinni 4 mm |
| Bracteoles | conduplicate alone their keels, forming an equitant structure | conduplicate alone their keels, forming an equitant structure | not conduplicate, with the base clasping the above remaining part of cincinni and upper part leaning towards flowers |
| Size of lowermost bract | ca 35 × 15 mm | 12–20 × 3–5 mm | 25–30 × 10–15 mm |
| Ovary | pubescent, smooth | pubescent, verrucose | pubescent, later verrucose |
| Lateral staminodes length | nearly the same as lateral corolla lobe | nearly the same as lateral corolla lobe | ca 1/2 longer than lateral corolla lobe |
| Calyx | ca 5 mm long | ca 3 mm long | ca 5 mm long |
| Pedicel | fully enclosed by bracteole | not fully enclosed by bracteole | fully enclosed by bracteole |
| Appendages | six, including a smaller appendage between the two larger appendages on each side, distal pairs being similar to proximal in size | four, distal pairs being broader than proximal at base | four, distal pairs being broader than proximal at base |
| Chromosome numbers | 2n=48 (Li & Chen 2008) | 2n=32 (Larsen 1972) | 2n=80 (Lim 1972b) |
Notes
Published as part of Jin, Jia Yi, Wang, Yi Hui, Xia, Nian He & Bai, Lin, 2023, Globba praetermissa (Zingiberaceae), a new species of G. sect. Globba from Yunnan, China, pp. 179 in Phytotaxa 598 (2) on page 179, DOI: 10.11646/phytotaxa.598.2.7, http://zenodo.org/record/7961147
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Additional details
Identifiers
References
- Larsen, K. (1972) Studies in the genus Globba in Thailand. Notes from the Royal Botanic Garden, Edinburgh 40: 229 - 242.
- Lim, S. N. (1972 b) Cytogenetics and taxonomy of the genus Globba L. (Zingiberaceae) in Malaya II: cytogenetics. Notes from the Royal Botanic Garden, Edinburgh 31: 271 - 285.