Dendrocalamus jiangchengensis
Dendrocalamus jiangchengensis hort.
Thai name: No known records.
Chinese name: 江城龙竹 (jiāng chéng lóng zhú).
Distribution: THAILAND (North): introduced, in cultivation, rare. — CHINA (South): native; possibly from 江城, in southern Yunnan Province, adjacent to the Laotian border.
Comments: A valid publication of the name, "Dendrocalamus jiangchengensis", is not known.
Specimens: BS-0763 [C8-R04] (living plant), raised from seeds, the seeds from FMXG, Yunnan, China, as "Dendrocalamus jiangchengensis, 江城龙竹 (jiāng chéng lóng zhú)"; collected June 2012, and received June 2012 (BS-0763); coll. Mar. 2013, and received Apr. 2013 (BS-0763-1).
Seed viability: Unknown, viability is assumed to last at least several months.
Seed weight: 10 g ≈ 180–220 dried spikelets (husk-wrapped seeds).
Seed germination: Seeds (BS-0763) were laid on moistened tissue paper, in June 2012, 27–30 °C day temperature, diffuse light, 23–24 °C night temperature, atmospheric humidity >70%, the first coleoptiles emerged after 9 days, germination rate low (<40%).
Comments: Seeds are known, but flowers have not been seen.
Dendrocalamus jiangchengensis (BS-0763): Seeds (left), germinating seed, on tissue paper, 7th day (right)
Dendrocalamus jiangchengensis (BS-0763): Seedling, 15th day (left), 96th day (right)