taxonID	type	description	language	source
2D01A4348C3850969ECBC9E51098FFBB.taxon	description	Fig. 2	en	Wu, Bao-Huan, Zhang, Ji-Fang, Guo, Jian-Qiang, Wang, Wei, Dai, Se-Ping, Liu, Guo-Feng, Fan, Qiang (2025): Strobilanthes danxiaensis, a new species of Acanthaceae endemic to Danxia Mountain in Guangdong Province, China. PhytoKeys 268: 69-79, DOI: 10.3897/phytokeys.268.172546
2D01A4348C3850969ECBC9E51098FFBB.taxon	diagnosis	Diagnosis. Morphologically, Strobilanthes danxiaensis is most similar to S. tetrasperma, but differs in its longer corolla (2.8 – 4 cm vs. 1.5 – 2 cm), with larger, emarginate oblong – obovate corolla lobes (ca. 1 × 1 cm vs. oblong lobes ca. 4 × 5 mm with obtuse apices), and a much longer style (3 cm vs. 1.5 cm).	en	Wu, Bao-Huan, Zhang, Ji-Fang, Guo, Jian-Qiang, Wang, Wei, Dai, Se-Ping, Liu, Guo-Feng, Fan, Qiang (2025): Strobilanthes danxiaensis, a new species of Acanthaceae endemic to Danxia Mountain in Guangdong Province, China. PhytoKeys 268: 69-79, DOI: 10.3897/phytokeys.268.172546
2D01A4348C3850969ECBC9E51098FFBB.taxon	description	Description. Perennial herb, up to 80 cm tall. Stems slightly prostrate at base, becoming erect or ascending upwards, quadrangular, white tomentose, gradually glabrescent below. Leaves opposite; petiole 0.3 – 1.1 cm long, white tomentose; blade ovate to elliptic, 6.5 – 10 × 3.8 – 5.5 cm, adaxially green and sparsely puberulous with short white hairs, cystoliths absent or sometimes sparsely present, abaxially pale green, tomentose along veins and conspicuously glandular-cystic; lateral veins 4 – 5 (– 6) pairs, prominently raised on both surfaces; base attenuate, apex acute; margin crenate-dentate with obtuse teeth. Inflorescences short terminal spikes, 1 – 4 cm long, often elongating at maturity, bearing 2 – 4 flowers; rachis tomentose. Bracts leaf-like, obovate to obovate-spatulate, 1 – 2 × 0.5 – 1 cm, puberulous on both surfaces, margin shallowly serrate, apex obtuse, base attenuate. Bracteoles linear to oblanceolate, 0.8 – 0.9 × 0.1 – 0.2 cm, midrib conspicuous, entire, densely white-hirsute on both surfaces. Calyx 5 - lobed almost to base; lobes linear, 0.8 – 1.1 cm long, midrib prominent, densely pubescent on both surfaces, apex obtuse. Corolla pale purple to whitish, funnel-shaped, 2.8 – 4 cm long, slightly inflated and curved, externally puberulous, internally pubescent in throat and downward; tube basally cylindrical, ca. 2 mm wide, 1.1 – 1.3 cm long, gradually widened towards mouth; orifice 1.6 – 3 cm wide, 2 – 2.8 cm high; lobes oblong to obovate, subequal, ca. 1 × 1 cm, emarginate at apex. Stamens 4, included; filaments sparsely pubescent; shorter pair ca. 2 mm long, longer pair ca. 6 mm long. Anthers narrowly ellipsoid, ca. 3 mm long. Ovary cylindrical, ca. 3 mm long, upper 2 / 3 densely pubescent; style ca. 3 cm long, sparsely pubescent. Capsule narrowly ellipsoidal, ca. 1 cm long, ca. 2.5 mm in diam., upper 2 / 3 pubescent, 4 - seeded.	en	Wu, Bao-Huan, Zhang, Ji-Fang, Guo, Jian-Qiang, Wang, Wei, Dai, Se-Ping, Liu, Guo-Feng, Fan, Qiang (2025): Strobilanthes danxiaensis, a new species of Acanthaceae endemic to Danxia Mountain in Guangdong Province, China. PhytoKeys 268: 69-79, DOI: 10.3897/phytokeys.268.172546
2D01A4348C3850969ECBC9E51098FFBB.taxon	etymology	Etymology. The specific epithet “ danxiaensis ” refers to the type locality, Danxia Mountain in Guangdong Province, China, to commemorate this unique landform and the rich plant diversity it harbors.	en	Wu, Bao-Huan, Zhang, Ji-Fang, Guo, Jian-Qiang, Wang, Wei, Dai, Se-Ping, Liu, Guo-Feng, Fan, Qiang (2025): Strobilanthes danxiaensis, a new species of Acanthaceae endemic to Danxia Mountain in Guangdong Province, China. PhytoKeys 268: 69-79, DOI: 10.3897/phytokeys.268.172546
2D01A4348C3850969ECBC9E51098FFBB.taxon	distribution	Distribution and habitat. Strobilanthes danxiaensis is known only from Danxia Mountain, Guangdong Province, China. Only three populations have been discovered, with a total of fewer than 100 individuals. They grow in moist valleys at elevations of 350 – 400 m. Associated species include Maesa perlarius (Lour.) Merr., Alocasia odora (Roxb.) K. Koch, S. dimorphotricha Hance, Oplismenus compositus (L.) P. Beauv., Tectaria devexa Copel., and Lobelia nummularia Lam.	en	Wu, Bao-Huan, Zhang, Ji-Fang, Guo, Jian-Qiang, Wang, Wei, Dai, Se-Ping, Liu, Guo-Feng, Fan, Qiang (2025): Strobilanthes danxiaensis, a new species of Acanthaceae endemic to Danxia Mountain in Guangdong Province, China. PhytoKeys 268: 69-79, DOI: 10.3897/phytokeys.268.172546
