Name:

Aspidistra tillichiana O.Colin – Phytotaxa 212(3): 243. (2015).

Subtaxa:

Aspidistra tillichiana O.Colin var. latifolia Aver. & Tillich – Nordic Journal of Botany 35: 54. (2016).

Holotype:

 

 

Vietnam: Plants originally collected in Vinh Phuc Prov., Tam Dao National Park, on the trail 6 kms from the entrance of the park, elevation ca. 1100 m, in primary broad leaved evergreen forest, 26 October 26 2013. The plant flowered for the first time in the greenhouse of the author in Villemomble (Seine Saint-Denis, France) by the end of October 2014, O. Colin CCSV 13.22h (holotype M, including a flower preserved in liquid collection).

Specimens:

 

 

 

Type of A. tillichiana var. latifolia: 25 Oct 2015, L. Averyanov, CPC 6841a/13270 (holotype: LE). Type prepared from cultivated plant collected in northern Vietnam (“Thanh Hoa province, Thuong Xuan distict, Van Xuan municipality, Quan village, Xuan Lien natural reserve, secondary broad-leaved evergreen forest on sandstone hills at elevation 300–500 m a.s.l. around point 19°51′27.0′′N, 105°12′46.0′′E, not common, sterile, 7 Nov 2013, L. Averyanov, N. T. Hiep, N. S. Khang, N D. Thang, L. D. Qui, CPC 6841a”).

Distribution:

Vietnam: Vinh Phuc province, Thanh Hoa province.

Phenology:

Flowers in October–November in cultivation.

Description

from 

protologue:

 

 

 

 

 

 

 

 

 

 

 

Rhizome creeping, plagiotropic, 10 mm diameter, densely nodal, roots numerous. Leaves paired, each pair spaced 2 cm from the next one, petiolate. Petiole stiff, more or less erect, 4–5.5 cm long, 2–2.5 mm diameter, adaxially sulcate, prominently inflated (up to 6 mm) at base along about 1cm. Leave blade arching, narrowly oblong, 28-36 cm long, 2–3 cm wide, attenuate at base, narrowly acuminate at apex, mid green, with an impressed midvein and inconspicuous secondary veins above, strongly raised midvein and visible secondary veins below. Flower solitary, arising from the rhizome, pedunculate. Peduncle arching, purple, terete, 2 cm long, with 1 sterile bract at middle of peduncle, 2 bracts at base of perigone. Bracts whitish, streaked with purple, triangular ovate, concave. Flowers horizontal to slightly orientated upward. Perigone tube widely campanulate, 9 mm long, 11 mm in diameter, yellow green, densely streaked/dotted purple abaxially, purple adaxially except a yellow line running from stamens base down to base of pistil. Lobes 6, subequal, triangular ovate, straight, erect or slightly spreading, fleshy, obtuse at apex, adaxial surface irregularly verruculose, 8 mm long, 6 mm wide at base, base with denticulate, more or less erect, purplish appendages of 1 mm length. Stamens 6, inserted above middle of perigone tube, straight, protruding horizontally to slightly descending, approaching the style just below stigma, filaments 3 mm long, yellow, blotched purple at their base, visible from above in the space between stigma and perigone wall, anthers facing base of perigone, pale yellow, elliptic, connective extended 1 mm beyond anther tip. Pistil mushroom shaped, 9 mm long, style cylindrical, constricted at middle, ca. 4 mm long, ca. 1 mm across, yellow, streaked purple, stigma conical with lateral surface slightly concave, ca. 4 mm high, 5-6 mm across, lateral surface whitish with 6 irregular, oblong purple markings. Fruit unknown.

Sourses:

Colin (2015) – Phytotaxa 212 (3): 243–245; Averyanov and Tillich (2017) – Nordic Journal of Botany 35: 48–57.

Gallery: