taxonID	type	description	language	source
086CE360D0A855C4AD65F2EB8867F874.taxon	description	Fig. 4	en	Yahara, Tetsukazu, Hirota, Shun K., Fuse, Kengo, Sato, Hiroyuki, Tagane, Shuichiro, Suyama, Yoshihisa (2021): A new subspecies of Stellaria alsine (Caryophyllaceae) from Yakushima, Japan. PhytoKeys 187: 177-188, DOI: http://dx.doi.org/10.3897/phytokeys.187.64023, URL: http://dx.doi.org/10.3897/phytokeys.187.64023
086CE360D0A855C4AD65F2EB8867F874.taxon	diagnosis	Diagnosis. Stellaria alsine subsp. nana differs from the typical subspecies in its shorter stem (2.5 - 6 cm vs. 15 - 30 cm), smaller lamina (0.5 - 1 cm x 1 - 3 mm vs. 0.5 - 2 cm x 2 - 4 mm), shorter pedicels (0.1 - 0.6 cm long vs. 0.5 - 2 cm long), as well as chasmogamous flowers with 3 stamens and 2 styles (vs. 5 stamens and 3 styles) that are usually solitary (vs. usually 3 - 5 on a terminal or axillary cyme).	en	Yahara, Tetsukazu, Hirota, Shun K., Fuse, Kengo, Sato, Hiroyuki, Tagane, Shuichiro, Suyama, Yoshihisa (2021): A new subspecies of Stellaria alsine (Caryophyllaceae) from Yakushima, Japan. PhytoKeys 187: 177-188, DOI: http://dx.doi.org/10.3897/phytokeys.187.64023, URL: http://dx.doi.org/10.3897/phytokeys.187.64023
086CE360D0A855C4AD65F2EB8867F874.taxon	materials_examined	Type. Japan. Kagoshima Prefecture: Yakushima, along a path to Mt. Nagata, on rocks along streams, 30 ° 20 ' 28.96 " N, 130 ° 28 ' 37.22 " E, 1500 m elevation, 21 July 2020, with cleistogamous flowers, T. Yahara, H. Sato, K. Fuse, Y. Higashi JPN 0573 (holotype: FU!, isotype: KYO!).	en	Yahara, Tetsukazu, Hirota, Shun K., Fuse, Kengo, Sato, Hiroyuki, Tagane, Shuichiro, Suyama, Yoshihisa (2021): A new subspecies of Stellaria alsine (Caryophyllaceae) from Yakushima, Japan. PhytoKeys 187: 177-188, DOI: http://dx.doi.org/10.3897/phytokeys.187.64023, URL: http://dx.doi.org/10.3897/phytokeys.187.64023
086CE360D0A855C4AD65F2EB8867F874.taxon	description	Description. Herbs possibly biennial. Stems caespitose, 2.5 - 6 cm long, glabrous, erect in upper and middle parts, prostrate in lower parts. Leaves deciduous, sessile; blade oblong-obovate or narrowly obovate, 0.5 - 1 cm x 1 - 3 mm, glabrous, single-veined, base attenuate, apex acute, margin entire. Flowers solitary or 2 - 3 flowers in an axillary or terminal cyme with a ca. 6 mm scape. Pedicel 1 - 6 mm long, slender, glabrous. Sepals ovate-lanceolate, ca. 2.5 mm long in chasmogamous flowers, ca. 2.0 mm long in cleistogamous flowers, glabrous, apex acute. Petals of chasmogamous flowers 5, ca. 2.6 mm long, 2 - cleft nearly to base; lobes oblanceolate, apex obtuse; petals absent in cleistogamous flowers. Stamens of chasmogamous flowers 3, 0.8 mm long; filaments ca. 0.4 mm long, glabrous, anthers globular, 0.4 mm in diam. Styles 2, glabrous. Capsule obovoid, 2.5 mm long, as long as sepals when mature, 2 - loculated. Seeds dark brown, reniform, ca. 0.7 mm long, slightly flattened, tuberculate with raised papillae, without an appendage.	en	Yahara, Tetsukazu, Hirota, Shun K., Fuse, Kengo, Sato, Hiroyuki, Tagane, Shuichiro, Suyama, Yoshihisa (2021): A new subspecies of Stellaria alsine (Caryophyllaceae) from Yakushima, Japan. PhytoKeys 187: 177-188, DOI: http://dx.doi.org/10.3897/phytokeys.187.64023, URL: http://dx.doi.org/10.3897/phytokeys.187.64023
086CE360D0A855C4AD65F2EB8867F874.taxon	distribution	Distribution and habitat. Yakushima, Japan (endemic). At present, this subspecies has been identified in two populations growing on rocks along streams at 1500 m elevation in the vicinity of Mt. Nagata.	en	Yahara, Tetsukazu, Hirota, Shun K., Fuse, Kengo, Sato, Hiroyuki, Tagane, Shuichiro, Suyama, Yoshihisa (2021): A new subspecies of Stellaria alsine (Caryophyllaceae) from Yakushima, Japan. PhytoKeys 187: 177-188, DOI: http://dx.doi.org/10.3897/phytokeys.187.64023, URL: http://dx.doi.org/10.3897/phytokeys.187.64023
086CE360D0A855C4AD65F2EB8867F874.taxon	etymology	Etymology. The subspecific epithet is derived from its dwarf habit.	en	Yahara, Tetsukazu, Hirota, Shun K., Fuse, Kengo, Sato, Hiroyuki, Tagane, Shuichiro, Suyama, Yoshihisa (2021): A new subspecies of Stellaria alsine (Caryophyllaceae) from Yakushima, Japan. PhytoKeys 187: 177-188, DOI: http://dx.doi.org/10.3897/phytokeys.187.64023, URL: http://dx.doi.org/10.3897/phytokeys.187.64023
086CE360D0A855C4AD65F2EB8867F874.taxon	materials_examined	Additional specimens examined. Japan. Kagoshima Prefecture: Yakushima, along a path to Mt. Nagata, 30 ° 20 ' 28.96 " N, 130 ° 28 ' 37.22 " E, 1500 m elevation, 4 September 2020, with fruits, K. Fuse, T. Saito JPN 1791 (FU!); a gorge N of Mt. Nagata, 30 ° 20 ' 39.7 " N, 130 ° 29 ' 28.5 " E, 1700 m elevation, 3 May 2021, with chasmogamous flowers, K. Fuse, T. Saito JPN 4891 (FU!).	en	Yahara, Tetsukazu, Hirota, Shun K., Fuse, Kengo, Sato, Hiroyuki, Tagane, Shuichiro, Suyama, Yoshihisa (2021): A new subspecies of Stellaria alsine (Caryophyllaceae) from Yakushima, Japan. PhytoKeys 187: 177-188, DOI: http://dx.doi.org/10.3897/phytokeys.187.64023, URL: http://dx.doi.org/10.3897/phytokeys.187.64023
