Aspidistra arnautovii

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Aspidistra arnautovii

Aspidistra arnautovii subsp. arnautovii
Aspidistra arnautovii subsp. catbaensis

Aspidistra arnautovii subsp. arnautovii

Accepted name Aspidistra arnautovii subsp. arnautovii H. -J.Tillich. Feddes Repert. 116(5-6): 314 (316, 335-336; fig. 1b-d). (2005).

Synonyms

Distribution Vietnam (Hai Phong)

Description Rhizome: creeping, epigeous to semihypogeous, diameter 5 - 7 mm.
Leaves: cataphylls dark red-brown, up to 10 cm long; petiole 30 - 40 cm, stiffly upright; lamina upright or horizontal, lanceolate, attenuate at both ends, 20 (- 30) cm long x 4 - 4.5 cm wide, dark green with small white spots, mid-vein somewhat sunken adaxially, prominent abaxially, with 3 inconspicuous secondary veins on either side.

Peduncle: 0.5 (- 1) cm long; flowers solitary but borne in some profusion.

Perianth [Perigone]: widely campanulate, 18 - 20 mm long x 20 - 25 mm diameter; tube blackish-violet, 9 - 10 mm long x 12 - 15 mm diameter, lobes 8, somewhat bent outwards, blackish violet with yellow tips, triangular, 6 - 7 mm long x 4 - 5 mm wide, with two prominent keels ca. 1 mm high, each keel basally fusing with a keel of the adjoining lobe and forming a protruding lip at the fusion point.

Stamens: 8, inserted at lower third of tube below the stigma surface, filaments stout, ca. 1 mm, anthers narrow ovoid, 2.5 mm long.

Pistil: obconical; 7 - 8 mm long, style gradually widened to stigma level, adaxial (stigmatic) surface with 4 shallow marginal incisions, flat or shallowly convex, pale violet, diameter 8 - 9 mm, with a cross figure of 4 fine radial whitish lines and additionally fine radial grooves; ovary inconspicuous.

Fruit: undescribed.

Phenology: flowers September - December.

2n = ?
Based on Tillich 2005

References

Comments Aspidistra arnautovii was named in honour of Nicolai Arnautov of St. Petersburg Botanical Gardens for whom Aspidistra nicolai was also named.

Aspidistra arnautovii subsp. catbaensis

Accepted name
Aspidistra arnautovii subsp. catbaensis H. -J. Tillich. Feddes Repert. 116(5-6): 314 (316, 335-336; fig. 1b-d). (2005).

Synonyms

Distribution Vietnam (Hai Phong)

Description Rhizome: creeping, hypogeous, diameter 5 mm.
Leaves: cataphylls dark red-brown, up to 10 cm long; petiole 25 - 30 cm; lamina flabby, soft, thin, hanging over, widely lanceolate, 25 - 30 cm long x 6 - 8 cm wide, somewhat decurrent, mid-green with small paler green spots, mid-vein somewhat sunken adaxially, prominent abaxially with 3 - 4 inconspicuous secondary veins on either side.

Peduncle: 0.5 (- 1) cm; flowers solitary but borne in some profusion.

Perianth [Perigone]: widely campanulate, 13 - 15 mm long x 17 - 20 mm diameter; tube blackish violet, 7 - 9 mm long x 10 - 12 mm diameter, lobes 8, distinctly bent outwards, blackish violet with yellow tips, triangular, 7 mm long x 5 mm wide, with two prominent keels ca. 0.5 mm high, each keel basally fusing with a keel of the adjoining lobe and forming a protruding lip at the fusion point, often additionally one small median keel.

Stamens: 8, inserted at lower third of tube, filaments stout, ca. 1 mm long, anthers narrow ovoid, 2.5 mm long.

Pistil: obconical; 7 - 8 mm long, style gradually widened to stigma level, adaxial (stigmatic) surface with 4 shallow marginal incisions, convex, pale-violet, with fine radial grooves; ovary inconspicuous.

Fruit: undescribed.

Phenology: flowers November - January.

2n = ?
Based on Tillich 2005.

References

Comments Aspidistra arnautovii was named in honour of Nicolai Arnautov of St. Petersburg Botanical Gardens for whom Aspidistra nicolai was also named.

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last updated 17/03/2008

Accepted name	Aspidistra arnautovii subsp. arnautovii H. -J.Tillich. Feddes Repert. 116(5-6): 314 (316, 335-336; fig. 1b-d). (2005).
Synonyms
Distribution	Vietnam (Hai Phong)
Description	Rhizome: creeping, epigeous to semihypogeous, diameter 5 - 7 mm. Leaves: cataphylls dark red-brown, up to 10 cm long; petiole 30 - 40 cm, stiffly upright; lamina upright or horizontal, lanceolate, attenuate at both ends, 20 (- 30) cm long x 4 - 4.5 cm wide, dark green with small white spots, mid-vein somewhat sunken adaxially, prominent abaxially, with 3 inconspicuous secondary veins on either side. Peduncle: 0.5 (- 1) cm long; flowers solitary but borne in some profusion. Perianth [Perigone]: widely campanulate, 18 - 20 mm long x 20 - 25 mm diameter; tube blackish-violet, 9 - 10 mm long x 12 - 15 mm diameter, lobes 8, somewhat bent outwards, blackish violet with yellow tips, triangular, 6 - 7 mm long x 4 - 5 mm wide, with two prominent keels ca. 1 mm high, each keel basally fusing with a keel of the adjoining lobe and forming a protruding lip at the fusion point. Stamens: 8, inserted at lower third of tube below the stigma surface, filaments stout, ca. 1 mm, anthers narrow ovoid, 2.5 mm long. Pistil: obconical; 7 - 8 mm long, style gradually widened to stigma level, adaxial (stigmatic) surface with 4 shallow marginal incisions, flat or shallowly convex, pale violet, diameter 8 - 9 mm, with a cross figure of 4 fine radial whitish lines and additionally fine radial grooves; ovary inconspicuous. Fruit: undescribed. Phenology: flowers September - December. 2n = ? Based on Tillich 2005
References
Comments	Aspidistra arnautovii was named in honour of Nicolai Arnautov of St. Petersburg Botanical Gardens for whom Aspidistra nicolai was also named.

Accepted name	Aspidistra arnautovii subsp. catbaensis H. -J. Tillich. Feddes Repert. 116(5-6): 314 (316, 335-336; fig. 1b-d). (2005).
Synonyms
Distribution	Vietnam (Hai Phong)
Description	Rhizome: creeping, hypogeous, diameter 5 mm. Leaves: cataphylls dark red-brown, up to 10 cm long; petiole 25 - 30 cm; lamina flabby, soft, thin, hanging over, widely lanceolate, 25 - 30 cm long x 6 - 8 cm wide, somewhat decurrent, mid-green with small paler green spots, mid-vein somewhat sunken adaxially, prominent abaxially with 3 - 4 inconspicuous secondary veins on either side. Peduncle: 0.5 (- 1) cm; flowers solitary but borne in some profusion. Perianth [Perigone]: widely campanulate, 13 - 15 mm long x 17 - 20 mm diameter; tube blackish violet, 7 - 9 mm long x 10 - 12 mm diameter, lobes 8, distinctly bent outwards, blackish violet with yellow tips, triangular, 7 mm long x 5 mm wide, with two prominent keels ca. 0.5 mm high, each keel basally fusing with a keel of the adjoining lobe and forming a protruding lip at the fusion point, often additionally one small median keel. Stamens: 8, inserted at lower third of tube, filaments stout, ca. 1 mm long, anthers narrow ovoid, 2.5 mm long. Pistil: obconical; 7 - 8 mm long, style gradually widened to stigma level, adaxial (stigmatic) surface with 4 shallow marginal incisions, convex, pale-violet, with fine radial grooves; ovary inconspicuous. Fruit: undescribed. Phenology: flowers November - January. 2n = ? Based on Tillich 2005.
References
Comments	Aspidistra arnautovii was named in honour of Nicolai Arnautov of St. Petersburg Botanical Gardens for whom Aspidistra nicolai was also named.