aSPIDISTRA sPECIES

Aspidistra formosa

Name:

Aspidistra formosa (Tillich) Aver. & Tillich – Nordic J. Bot. 35(1): 48. (2016).

Synonyms:

 

Basionym: Aspidistra tonkinensis (Gagnep.) F.T.Wang & K.Y.Lang

Synonym: Aspidistra fungilliformis Y. Wan subsp. formosa H.J.Tillich

Holotype:

 

From a plant in cultivation at the Botanical Garden Munich (accession-nr. 97/2367), collected by J. Bogner, March 1997, in Vietnam, Province Ninh Binh, Cuc Phuong. Tillich 5280 (M), including flowers in the liquid collection at (M).

Specimens:

Distribution:

 

Vietnam: Cao Bang province (Bao Lac distict), Nghe An province (Ky Son district), Ninh Binh province (Cuc Phuong national park), Thanh Hoa province (Ba Thuoc district).

Phenology:

Flowers in November in nature.

Description

from 

protologue:

 

 

 

 

 

 

Rhizome epi- or hypogeous, long creeping, slender, ∅ 3–4 mm, covered with small, triangular, blackish-brown scales; Petiole slender, 15–20 cm; Lamina ovate, base rounded, 14–17 × 7–8 cm, midvein somewhat prominent at lower surface, secondary veins 3 at each side, 7–9 fine tertiary veins between them; Flower s solitary, peduncle 1.0–1.5 cm, basally with 2–3 small brown scales, distally with 2 pointed white bracts adjacent to flower base, 1.0–1.5 cm long; Perigone campanulate, outsides glossy silvery-white, lobes 6, in two circles, white, ovate with rounded apex, without ribs, 8 mm long, lobes of outer circle 8 × 10 mm, those of inner circle 8 × 7 mm, tube insides deep purple to nearly black, 15 mm long; perigone shape and size changing during individual flowering period: at first day tube Ø 15 mm, lobes horizontally spreading, at second day tube Ø 20 mm, lobes curved backwards, at third day flower collapsing; Stamens 6, near base of tube wall, filaments horizontal, ca. 1 mm long, anthers facing bottom of tube; Pistil table-shaped, ovar inconspicuous, style slender, cylindrical, 4–5 mm long, stigma disk-shaped, rounded, with 3 shallow marginal incisions, Ø ca. 8 mm, white, smooth, flat to slightly convex, margins bent downward.

Sourses:

 

Tillich & Averyanov (2008) – Feddes Repertorium 119: 37–41; Tillich, Lin, Averyanov (2017) – Feddes Repertorium 128: 102–104; Averyanov & Tillich (2017) – Nordic Journal of Botany 35: 48–57.

Gallery: