identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
A0792BB7B13E5AD3AB6666B607BB9885.text	A0792BB7B13E5AD3AB6666B607BB9885.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Sedum xinchangense Z. D. Wang, X. F. Jin & Y. F. Lu 2026	<div><p>Sedum xinchangense Z. D. Wang, X. F. Jin &amp; Y. F. Lu sp. nov.</p><p>Figs 1, 3</p><p>Chinese name.</p><p>xīn chāng jǐng tiān (新昌景天).</p><p>Diagnosis.</p><p>Sedum xinchangense is morphologically similar to S. lungtsuanense and S. stellariifolium but differs by its basal stolons (absent in the latter two), densely glandular stems, leaves, and bracts (vs. sparsely pubescent in S. lungtsuanense), 3–14 - flowered cymes (vs. 12–23 - flowered in S. lungtsuanense and 3–25 - flowered in S. stellariifolium), spatulate leaf blade, rarely obovate or broadly obovate, (vs. triangular to broadly triangular-ovate in S. stellariifolium), and obovate or broadly obovate sepals (vs. lanceolate to spatulate in S. lungtsuanense and lanceolate to oblong in S. stellariifolium). Additionally, it has consistently larger leaves and seeds: leaves 5–20 × 3.5–13 mm (vs. 7–9 × 2.2–3 mm in S. lungtsuanense and 7–15 × 7–9 mm in S. stellariifolium), seeds ca. 0.56 × 0.32 mm (vs. ca. 0.29 × 0.15 mm in S. lungtsuanense and ca. 0.38 × 0.24 mm in S. stellariifolium).</p><p>Type.</p><p>China • Zhejiang Province: Hangzhou City, Lin’an District, cultivated in Zhejiang A &amp; F University, introduced from Mt. Shijiufeng of Xinchang County, 18 Jun. 2025, Z. D. Wang 20250618 (holotype: ZJFC!; isotypes: ZM!) .</p><p>Description.</p><p>Herbs perennial. Roots fibrous, slender. Stems ascending, both sterile stem and flowering stem with stolons at base, succulent, 7–15 cm tall, with dense white spreading glandular hairs; basal nodes with fibrous adventitious roots. Leaves on sterile stems alternate, upper ones densely aggregated, those on stolons frequently alternate, nearly verticillate at the top, and those on flowering stems alternate, sometimes 3 - verticillate at the top; leaf blades succulent, spatulate, rarely obovate or broadly obovate, 5–20 mm long, 3.5–13 mm wide, apex obtuse, base cuneate, densely glandular on both surfaces, with costa and lateral veins inconspicuous; petioles 3–18 mm long, densely glandular, base shortly spurred. Cyme 3 - or 2 - branched, scorpioid-spreading, 3–14 - flowered; bracts frondose, ovate or ovate-round, 2.5–9 mm long, 2–8 mm wide, apex obtuse, base cuneate and short-stipitate, both surfaces densely glandular. Flowers bisexual, center ones pedunculate, others subsessile. Sepals 5, obovate or broadly obovate, 2–3 mm long, 1–1.5 mm wide, apex obtuse, base shortly spurred, both surfaces densely glandular. Petals 5, yellow, oblong-ovate, slightly longer than sepals, 3.5–4.5 mm long, ca. 1.5 mm wide, apex acuminate, sometimes outside sparsely glandular. Stamens 10; antisepalous ones ca. 3.5 mm long; antipetalous ones ca. 3 mm long, inserted nearly from petal base; anthers ovoid, orange to purple-black. Nectar scales 5, triangle-ovate or broadly spatulate, minute, apex obtuse. Carpels 5, erect, oblong-lanceolate, 4–4.5 mm long, connate for ca. 1 mm long at base, sometimes sparsely pubescent; styles ca. 1 mm long, slender. Follicles divergent, many-seeded. Seeds minute, pale brown, ovoid, ca. 0.5 mm long, ca. 0.3 mm wide.</p><p>Etymology.</p><p>The specific epithet ‘ xinchangense ’ refers to the type locality of this new species.</p><p>Phenology.</p><p>Flowering and fruiting from June to July.</p><p>Distribution and habitat.</p><p>The new species is only known from Mt. Shijiufeng of Xinchang County, Zhejiang. It is currently known to grow on cliffs at lower elevations of 200– 220 m.</p><p>Additional specimen examined</p><p>(paratypes). China • Zhejiang Province: Xinchang County, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=120.81259&amp;materialsCitation.latitude=29.373337" title="Search Plazi for locations around (long 120.81259/lat 29.373337)">Mt. Shijiufeng</a>, 29.37333628 ° N, 120.81258862 ° E, on cliffs, elev. 210 m, 12 May 2025, Z. D. Wang &amp; Q. G. Li 2025051201 (ZJFC, ZM), 2025051202 (ZJFC) .</p><p>Conservation status.</p><p>Sedum xinchangense is assessed as Vulnerable (VU) according to the IUCN Red List (IUCN 2024). The species is currently known only from Mt. Shijiufeng, Xinchang County, Zhejiang Province, China. It occurs on cliffs adjacent to tourist trails and comprises about 12 populations with fewer than 1,000 mature individuals in total. Although the population appears stable at present, it is directly threatened by ongoing and increasing tourist activities, which cause habitat disturbance through trail maintenance, trampling, and potential rock face modifications. Under IUCN criteria D 1 and D 2, based on its fewer than 1,000 mature individuals and its highly restricted distribution with susceptibility to future anthropogenic disturbance, the species meets the criteria for classification as VU.</p><p>Notes.</p><p>The micromorphology of testa in Crassulaceae can be categorized into four principal types based on two key characters: the morphology of the anticlinal walls (sinuate vs. straight) and the number of papillae per cell (one, two, or multiple). These are: (1) sinuate-unipapillate, (2) straight-unipapillate, (3) straight-bipapillate, and (4) straight-multipapillate (‘ t Hart and Berendsen 1980; Knapp 1994; Thiede and Eggli 2007). The reticulate-unipapillate form of the new species corresponds to the characteristic seed sculpture of the Acre clade, in which lateral cell walls are thickened into a distinct reticulate pattern, typically bearing a central papilla. This micromorphological correspondence not only supports the placement of the new species within the Acre clade but also underscores the taxonomic utility of seed-coat sculpture as a stable diagnostic feature for this lineage.</p><p>In a separate SEM - based survey of seed morphology across 26 Sedum s. l. species from Zhejiang, Jin et al. (2008) recognized five seed types based on size, shape, and surface sculpture: Orostachys - type, Hylotelephium - type, Phedimus - type, Filipes - type, and Sedum - type. The seed micromorphology of the new species is consistent with that of the Sedum - type, supporting its systematic position within the sect. Sedum .</p><p>Key to the species of Sedum from Zhejiang, East China</p></div>	https://treatment.plazi.org/id/A0792BB7B13E5AD3AB6666B607BB9885	Public Domain	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.		Pensoft via Plazi	Wang, Zhi-Dan;Jin, Xiao-Feng;Lu, Yi-Fei	Wang, Zhi-Dan, Jin, Xiao-Feng, Lu, Yi-Fei (2026): Sedum xinchangense, a new species of Crassulaceae from Zhejiang, East China. PhytoKeys 272: 181-196, DOI: 10.3897/phytokeys.272.188016
