Pleioblastus juxianensis
Pleioblastus juxianensis T. H. Wen, C. Y. Yao & S. Y. Chen, Acta Phytotax. Sin. 21 (4), 1983: 409.
Synonym: Pleioblastus hsienchuensis var. juxianensis (T. H. Wen, C. Y. Yao & S. Y. Chen) S. L. Chen ex T. G. Liang & al.
Thai name: No known records.
Chinese name: 衢县苦竹 (qú xiàn kǔ zhú).
Distribution: THAILAND: Introduced, but not successfully established in cultivation in Thailand. — CHINA (East): Zhejiang, on hills at low elevations.
Culm size: Height to 1.75 m, diameter to 1.3 cm.
Description: "… internodes initially green, yellow-green when old, cylindrical, concave above branches, 20–28(–33) cm, slightly glaucous, densely so below sheath scars, glabrous, slightly powdery; wall nearly solid; nodes prominent or swollen; sheath scars slightly prominent. Culm sheaths persistent, green, glaucous, smooth, glabrous, margin brown setose at base, withered; auricles suborbicular, scabrous, roughly ciliate; ligules pale green or withered, truncate or slightly concave, glaucous, margin ciliolate; blade green, narrowly lanceolate, densely hairy, scabrous, apex acuminate. Leaves 3–5 per ultimate branch; sheath smooth, glabrous; auricles dotlike or elliptic, scabrous, ciliate, oral setae straight or curved; ligule arcuate, ca. 1.5 mm, glaucous, ciliolate at apex, leaf blade light green, ovate or elliptic-lanceolate, 12–18 × 2.3–2.6 cm, abaxially scabrous, pilose at base, secondary veins 6- or 7-paired, base rounded, margin serrulate, apex shortly acuminate …" — Flora of China [#1303].
Images: Photos in Baidu.com (habit).
Specimen: BS-0840 [-] (living plants), raised from seeds. The seeds received from G. P., France, as "Pleioblastus juxianensis", 4 Aug. 2015, collected June/July 2015, from a cultivated plant, that started flowering in May 2015.
Seed viability: Unknown, viability is assumed to last at least several months.
Seed weight: 4.0 g ≈ 165 dried spikelets (husk-wrapped seeds).
Seed germination: 3 of 13 seeds germinated (Test 150804).
Pleioblastus juxianensis (BS-0840): Two seeds, bare of husks (left), germinating seeds on tissue paper, 9th day (right)
Pleioblastus juxianensis (BS-0840): Seedling, five and a half months old