Berberis pengii C. C. Yu &amp; K. F. Chung. A. Fruiting 2014, sp. nov.
Creators: name: Yu, Chih-Chieh
name: Chung, Kuo-Fang
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Ranunculales
Berberidaceae
Berberis
Berberis pengii

description: 8. <i>Berberis pengii</i> C.C.Yu &amp; K.F.Chung, <i>sp. nov.</i> (Figs. 7E–H, 13). Type:— TAIWAN. Pingtung: Taiwu, Kuaiku Lodge, 22°36’48”N, 120°44’39”E, 2150 m, 18 April 2011, <i>Chih-Chieh Yu 683</i> (holotype TAI -284283!). Diagnosis: <i>Berberis pengii</i> is similar to <i>B. aristatoserrulata</i>, <i>B. chingshuiensis</i>, and <i>B. mingetsensis</i> in its leaf shape, differing from the latters by its narrow-triangular or triangular-oblong outer sepals and from the former by its globose berries. <i>Evergreen shrub</i> or small tree-like shrub, 1.5–4 m tall. <i>Mature stems</i> yellowish-brown, not verruculose. <i>Spines</i> 3-fid, concolorous, 0.8–1.8 cm. <i>Leaves</i> subsessile or sometimes with short petioles ca. 2–5 mm; leaf blade elliptic or narrowlyelliptic, abaxially pale green sometimes pruinose, adaxially shiny green; 4.4–8.9 × 1.4–2.6 cm, leathery; midvein abaxially raised and adaxially impressed, lateral veins slightly raised, the secondary veins pinnate, jointly looped and multi-festooned, the tertiary veins weakly reticulated; base cuniform, margins densely spinose with spinules of 13–27 with 1.5–3.5 mm apart on each side, apex acute or attenuate. <i>Inflorescence</i> a fascicle, 4–7-flowered. <i>Bracts</i> absent. <i>Pedicel</i> pale green, 0.4–1.6 cm. <i>Bracteoles</i> absent. <i>Flowers</i> yellow. <i>Sepals</i> in 3 whorls, outer sepals with midveins slightly raised yellow or reddish tinge narrowly-triangular or triangularly-oblong 5 × 1 mm, middle sepals yellow or reddish tinge ovate 7.5 × 2.5 mm, inner sepal yellow obovate 8 × 4 mm. <i>Petals</i> elliptic, 7 × 4 mm, base clawed with a pair of narrowly-ovoid nectaries very close to each other, apex acutely emarginated with margins slightly ragged. <i>Stamens</i> bright yellow ca. 5 mm, anther connective of stamen distinct, apex truncate. <i>Pistil</i> 5.5 mm long, usually red. <i>Ovules</i> 6 or 8. <i>Berries</i> black, globose or sub-globose ca. 10 × 10 mm, more or less pruinose, estylose. <b>Phenology:</b> — <i>Flowering</i> April–May; <i>Fruiting</i> April–June, October, November. <b>Distribution &amp; habitat:</b> — <i>Berberis pengii</i> is large understory shrubs of 1–2 m tall commonly found in the coniferous and broad-leaved mixed forests in the southern Central Mountain Range at 2100 to 2500 m (Fig. 6B). <b>Etymology</b>:—The specific epithet is named in honor of Dr. Ching-I Peng, mentor and collaborator of the senior author, for his continuous guidance, supports, and friendship, and for his great contribution to the studies of Asian Flora. <b>Chinese name: NJfi灣小ª</b> <b>Proposed IUCN conservation status:</b> —Nearly Threatened. <i>Berberis pengii</i> is endemic to south Taiwan and its natural range is mostly within the range of national preservation areas. Therefore we propose a provisional IUCN category of NT for the species (IUCN 2012). <b>Additional specimen examined:</b> — TAIWAN. Kaohsiung: Dagueii Lake, 2150 m, 11 February 2009, <i>Yu 338</i> (TAI), near the Blue Ghost Lake, 2400 m, 10 February 2009, <i>Yu 339</i> (TAI), Juniper Camping Site, 2250 m, 12 February 2009, <i>Yu 378</i> (TAI), the “Big Field” near Dagueii Lake, 2250 m, 10 February 2009, <i>Yu 379</i> (TAI); near Camp Yukuting, 2400 m, 12 February 2009, <i>Yu 355</i>, <i>358</i> (TAI); Dona Logging Trail, 2100 m, 12 February 2009, <i>Yu 347</i> (TAI). Pingtung: Peitawushan, 3000 m, 6 June 1988, <i>Huang 13670</i> (TAI), 2400–2600 m, 30 November 1997, <i>Liu 146</i> (TNM), 2500– 2900 m, 24 April 2008, <i>Wu 165</i> (TNM); en route from the first Lodge to Chih-pen-chu-shan, 1900 m, 10 March 1990, <i>Lin 408</i> (HAST); Pa-yu lake to Lakalakashan, 14 February 1993, <i>Yang 30239</i> (HAST, PE); Kuaiku Lodge, 2250–2900 m, 2 April 1994, <i>Chen 595</i> (HAST, TNM), 1600–2150 m, 9 October 2006, <i>Wang 9342</i> (TNM), 2150 m, 18 April 2011, <i>Yu 683</i> (TAI); Tamaru Camping Site, near Damumushan, 2200 m, 21 May 2009, <i>Yu 325</i> (TAI); behind Nantawushan, 2500 m, 2 May 2009, <i>Yu 330</i> (TAI); Linpalapalashan, 2300 m, 22 May 2009, <i>Yu 377</i> (TAI). Taitong: near Shishuitoushan, 2300 m, 11 February 2009, <i>Yu 341</i> (TAI).
description: Published as part of <i>Yu, Chih-Chieh &amp; Chung, Kuo-Fang, 2014, Systematics of Berberis sect. Wallichianae (Berberidaceae) of Taiwan and Luzon with description of three new species, B. schaaliae, B. ravenii, and B. pengii, pp. 61-99 in Phytotaxa 184 (2)</i> on pages 85-88, DOI: 10.11646/phytotaxa.184.2.1, http://zenodo.org/record/5146508
description: {"references": ["IUCN (2012) IUCN red list category and criteria. Version 3.1. Second Edition. Gland and Cambridge, 32 pp."]}