A key to Meistera (Zingiberaceae: Alpinioideae) in Cambodia, Laos and Vietnam, with a description of a new species, M. muriformis Author Leong-Škorničková, Jana 0000-0003-4490-3490 The Herbarium, Singapore Botanic Gardens, 1, Cluny Road, 259569 Singapore. & Department of Biological Sciences, National University of Singapore, 16, Science Drive 4, 117558 Singapore. & jana _ skornickova @ nparks. gov. sg; https: // orcid. org / 0000 - 0003 - 4490 - 3490 jana_skornickova@nparks.gov.sg Author Bình, Nguyén Qu ốc Author Đăng, Tr ần H ữu Author Záveská, Eliška Author Quang, Bùi H ồng Department of Botany, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam. & Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet Road, Cau Giay, 100000 Hanoi, Vietnam. Author Bình, Tr ần Đ ức Department of Botany, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam. & Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet Road, Cau Giay, 100000 Hanoi, Vietnam. Author Ye, Xing-Er School of Chinese Medicinal Resource, Guangdong Pharmaceutical University, 510006 Guagnzhou, P. R. China. Author Nguyen, Khang Sinh Department of Botany, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam. Author Kuznetsov, Andrey N. Joint Russian-Vietnamese Tropical Scientific and Technological Center, 63 Nguyen Van Huyen Street, Cau Giay, 122000 Hanoi, Vienam. & A. N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, 33 Leninsky Avenue, 119071 Moscow, Russia. Author Kuznetsova, Svetlana P. Joint Russian-Vietnamese Tropical Scientific and Technological Center, 63 Nguyen Van Huyen Street, Cau Giay, 122000 Hanoi, Vienam. Author Nuraliev, Maxim S. Joint Russian-Vietnamese Tropical Scientific and Technological Center, 63 Nguyen Van Huyen Street, Cau Giay, 122000 Hanoi, Vienam. & Department of Higher Plants, Biological Faculty, M. V. Lomonosov Moscow State University, 1, 12, Leninskie Gory, 119234 Moscow, Russia. text Phytotaxa 2023 2023-10-03 618 2 149 160 http://dx.doi.org/10.11646/phytotaxa.618.2.4 journal article 270979 10.11646/phytotaxa.618.2.4 e24216e3-558a-4660-8fbe-7d6938719f66 1179-3163 8406679
TABLE 1. Meistera species in Cambodia, Laos and Vietnam and their spot characters with the most distinctive character states in bold (AC—anther crest; FR—fruit; LA—labellum; LB—Leaf blades; LI—ligule; LS—leaf sheaths). The characters and the distribution are mainly based on information from Lamxay & Newman (2012), and supplemented with information from protologues and other works cited in Introduction.
Currently accepted nameDistributionSpot characters
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(Basionym)CLVVegetativeGenerative
M. calcarata (Lamxay & M.F.Newman) Škorničk. - & M.F.NewmanY-To 1.8 m tall; LS striate or smooth, glabrous; LI 1–5 mm, ovate, red toOpen flower; LA white and yellow with red markings; FR
(Amomum calcaratum Lamxay & M.F.Newman)light green, tomentose, margin ciliateechinate
M. caudata Šída f. & Škorničk.--YTo 1.5 m tall; LS very finely striate,Open flower; LA white and
glabrous; LI c. 2.5 mm, bilobed, green, yellow with red markings; FR glabrous incl. margin echinate
M. celsa (Lamxay & M.F.Newman) Škorničk. & M.F.Newman (Amomum celsum Lamxay & M.F.Newman)-YYTo 2.5 m tall; LS glaucous, striate, glabrous; LI 5–7 mm, ovate, pink to light green, tomentose, margin ciliatePeduncle> 150 cm; open flower; LA white with yellow central part; FR echinate
M. chinensis (Chun ex T.L.Wu) Škorničk. &YYYTo 3 m tall; LS reticulate, glabrous; LIGullet-type flower; LA white
M.F.Newman (Amomum chinense Chun ex T.L.Wu)4–5 mm, rounded to emarginate, red to and yellow with red markings; reddish brown, glabrous, margin ciliate FR echinate
M. cristatissima (N.S.Lý & Škorničk.) Škorničk.--YTo 1.2 m tall; LS finely striate orLA yellow with red markings;
(Amomum cristatissimum N.S.Lý & Škorničk.)smooth, glabrous; LI 1–2 mm, truncate FR echinate to shallowly bilobed, green, glabrous incl. whitish-green margin
M. echinocarpa (Alston) Škorničk. & M.F.Newman (Amomum echinocarpum Alston)-Y-To 1.8 m tall; LS striate, glabrous; LI 1–3 mm, truncate, green, glabrous; LB with hairy primary veinsOpen flower; LA white and yellow with red markings; FR echinate
M. elephantorum (Pierre ex Gagnep.) Škorničk. & M.F.Newman (Amomum elephantorum Pierre ex Gagnep.)YYYTo 4 m tall; LS striate, glabrous; LI 5–10 mm, emarginate, brown, glabrous, margin ciliateGullet-type flower; LA white and yellow with red markings; FR echinate
M. gagnepainii (T.L.Wu, K.Larsen & Turland) Škorničk. & M.F.Newman (Amomum thyrsoideum Gagnep. 1903: 256, nom. illeg.; Amomum gagnepainii T.L.Wu, K.Larsen & Turland)--YTo 1 m tall; LS striate, glabrous; LI 3–5 mm, shallowly bilobed, green, glabrous incl. whitish-green marginOpen flower; LA white and yellow with red markings; FR echinate
M. koenigii (J.Gmel.) Škorničk. & M.F.Newman (Amomum koenigii J.F.Gmel.)-YYTo 2.5 m tall; LS glaucous, striate, glabrous; LI 5–10 mm, bilobed, red to dark brown, glaucous when young, glabrousOpen flower; LA white and yellow with red markings; FR smooth, lenticellate
M. muriformis Škorničk. (described here)--YTo 1.8 m tall; LS reticulate toOpen flower; LA white and
muriform, glabrous but with densely yellow with red markings; pubescent margin; LI to 5 mm, AC semi-circular to bluntly
bilobed, green to dark red and covered squared to oblong; FR echinate by dense brown hairs throughout; LB pubescent abaxially
M. stephanocolea (Lamxay & M.F.Newman) Škorničk. & M.F.Newman (Amomum stephanocoleum Lamxay & M.F.Newman)-Y-To 1.5 m tall; LS striate to finely reticulate, tomentose; LI 1–3 mm, ovate to truncate, tomentose with long hair, margin ciliateOpen flower; LA white and yellow with red markings; FR echinate, spines branched
(Basionym)CLVVegetativeGenerative
M. sudae Šída f. & Škorničk.--YTo 1 m tall; LS very finely striate to smooth, glabrous; LI c. 1 mm long, broadly ovate, reddish green, margin glabrous or very sparsely ciliateOpen flower; LA plain yellow; FR echinate
M. tomrey (Gagnep.) Škorničk. & M.F.Newman var. tomrey (Amomum tomrey Gagnep.)YYYTo 2.5 m tall; LS glaucous, striate, glabrous; LI 5–10 mm, ovate, red to dark brown, glabrous, margin ciliateOpen flower; LA white and yellow with red markings; FR smooth, tomentose
M. tomrey var. stenophylla (Gagnep.) Škorničk. & M.F.NewmanY-YTo 2 m tall; LS striate, glabrous; LI 5–10 mm, ovate, glabrous, marginOpen flower; LA white and yellow with red markings; FR
(Amomum tomrey var. stenophyllum Gagnep.)ciliatesmooth, tomentose
M. verrucosa (S.Q.Tong) Škorničk. & M.F.Newman--YTo 3.5 m tall; LS finely striate; pubescent; LI 3–10 mm, subtruncate-Gullet-type flower; LA yellow with red markings; FR
(Amomum verrucosum S.Q.Tong; see also Ye et al. 2021)rounded, green to maroon, densely villoseechinate
M. vespertilio (Gagnep.) Škorničk. & M.F.Newman-YYTo 2.6 m tall; LS finely striate, glabrous; LI 5–10 mm, sometimesGullet-type flower; LA yellow- red; FR echinate
(Amomum vespertilio Gagnep.; see also Ye et al. 2021)obscurely bilobed, green-reddish, glabrous with ciliate margin