Miscanthus wangpicheonensis T.I. Heo & J.S. Kim, 2021
publication ID |
https://doi.org/ 10.12651/JSR.2021.10.1.057 |
persistent identifier |
https://treatment.plazi.org/id/03F05261-BF5D-FFAF-FCD3-C45DFE90EC05 |
treatment provided by |
Felipe |
scientific name |
Miscanthus wangpicheonensis T.I. Heo & J.S. Kim |
status |
sp. nov. |
Miscanthus wangpicheonensis T.I. Heo & J.S. Kim View in CoL ,
sp. nov. ( Figs. 1-3 View Fig View Fig View Fig )
Type. Korea. Gyeongsangbuk-do: Uljin-gun, Geunnam-myeon, Susan-ri , Wangpicheon , 36°58′15.06″N, 129°24′ 34.76″E, elev. 1 m, 14 Aug 2020, [heo20101 holotype. KB ( NIBRVP0000779340 ); isotype. KBA] GoogleMaps .
Korean name. Mul-eok-sae-a-jae-bi (ṞḍNjỌNjffi)
Herbs perennial, rhizomatous. Rhizome long-creeping, 2-4 mm diam., hard, covered by scales. Culms erect, 50- 80 cm tall, solid, unbranched or branch; nodes hairy (hairs 0.5-1.5 mm long). Leaves cauline; leaf sheaths striate, glabrous or hispid; leaf blades linear, flat, 10-30 × 1-1.5 cm, glabrous, base tapering, straight or rounded, margins scabrid, apex acuminate; midrib prominent, white; ligule ca. 0.5 mm long, margin ciliate; collar glabrous or pilose. Panicle 7-20(-25) cm long; axis 4-8(-14) cm long, glabrous or pilose at base. Racemes 4-15, 5-20 cm long; rachis internodes glabrous or slightly pilose, nodes pilose; lower pedicel 1-1.3 mm long, upper pedicel 3-3.6 mm long. Spikelets 5.1-5.3 mm long, pilose, awned; callus hairs (3-) 5-7.5 mm long, exceeding the spikelet, white, silky; glumes subequal, 5-5.2 mm long, bright yellow to yellow-orange; lower glume oblong-lanceolate to lanceolate, 5.0- 5.2 mm long, apex acuminate, two-toothed, coriaceous, prominent 3-5-veined, pilose with long hairs on abaxial surface, apex and margin densely pilose with 2-5 mm long hairs; upper glume lanceolate, 4.9-5.0 mm long, apex acuminate, coriaceous, 1-3-veined, slightly pilose with long hairs on abaxial surface, apex and margin pilose with 0.2-3 mm long hairs; lower lemma, narrowly oblong, apex obtuse, membranous, hyaline, ca. 4.2 mm long, inconspicuously (1-)3-veined, pilose with long hairs on margins; upper lemma linear-lanceolate or oblanceolate, 3.5-4 mm long, membranous, inconspicuously 1-veined, pilose with long hairs on margins, apex acuminate, apex and margin densely pilose with long hairs; awn exserted between the teeth of upper lemma, 4.5-5.5 mm long, geniculate, lower part twisted; upper palea ovate-lanceolate, ca. 2.5 mm long, membranous, veinless, apex and margin ciliolate. Stamens 3, anthers ca. 3 mm long. Style ca. 0.6 mm long. Stigmas purple-black, 1.2-1.5 mm long. Ovary orbicular-ovate or suborbicular, 0.2-0.3 mm long ( Table 1).
Additional specimens examined. Korea. Gyeongsangbuk-do: Uljin-gun, Geunnam-myeon, Susan-ri , Wangpicheon , 36°58′15.06″N, 129°24′34.76″E, elev GoogleMaps . 1 m, 25 July 2017, kjs17096, 17097 ( KB) ; 17 Sep 2019, kjs19040, 19041, 19042, 19043 ( KB) ; 23 Aug 2020, heo20102, 20103 ( KB) .
Flowering. late July to October.
Distribution. Korea (Gyeongsangbuk-do), endemic to Korea.
Habit. Sunny places of riverside.
Etymology. The specific epithet, “ wangpicheonensis ”, is based on the name of the locality where the new species is found.
KB |
National Institute of Biological Resources |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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