Dendrocalamus sp. (CN: Yunnan)

- Distribution: THAILAND: introduced, in cultivation, rare. — CHINA (South): southern Yunnan, without precise locality.
- Culm size: Not recorded, height expected to reach over 10 m.

Dendrocalamus sp. from Yunnan: Culms — by courtesy of Lihua Jiang, Yunnan Bamboo, China

- Specimen: BS-0779 [BBG] (living plants), raised from seeds, southern Yunnan, China, without precise locality, collected Sep. 2013, seeds from FMXG, Yunnan, China, as an unidentified Dendrocalamus species, received 14 Oct. 2013.
- Characteristics: Culms thin-walled.
- Seed viability: Unknown, viability is assumed to last at least several months.
- Seed weight: 10 g ≈ 350–380 dried spikelets (husk-wrapped seeds).
- Seed germination: (1) Seeds (BS-0779) laid on moistened tissue paper, 15 Oct. 2013, 23–30 °C day temperature, diffuse light, 18–22 °C night temperature, atmospheric humidity >70%, the primary roots developed after 9 days, the first coleoptiles emerged after 12 days, germination rate 10–15% by 5 Nov. 2013. — (2) Germination rate 21% with temperatures 22–26 °C, using a sterile soilless potting mix as substrate (composted pine bark, peat moss, worm casts, perlite, and clay, 6 pH) (F. C., 26 Nov. 2013).

→ BS-0779 • photos: 8

Dendrocalamus sp. from Yunnan (BS-0779): Seeds (left), germinating seeds, 13th day (right)

Dendrocalamus sp. from Yunnan (BS-0779): Seedling, 44th day