Solanum americanum Mill.
Show more
Details
Solanum americanum Mill., Gard. Dict., ed. 8. (1768)
Solanum americanum Mill.
Biostatus
Nomenclature
Mill.
Mill.
1768
ICN
Solanum americanum Mill.
species
Solanum americanum
Classification
Subordinates
Vernacular names
Synonyms
Descriptions
Ample laxly branched plant, subshrubby in lower, herbaceous in upper parts, up to c. 1 m. tall and broad. Stems up to c. 5 mm. diam., glab. or us. nearly so, very finely striate, narrowly margined, somewhat zigzag, internodes up to c. 10 cm. long. Lvs us. of diverse form, often several forms on an individual. Lamina thin, membr., ± glab., reticulations evident; 4-6 × 1·5-3 cm., with smaller axillary Iflts up to c. 10×7 mm., oblong to ovate-oblong to narrow ovate-oblong. Infl. an almost regular to a slightly irregular cymose umbel. Peduncle very slender, up to 15 mm. long, patent; pedicels almost filiform, up to 10 mm. long. Calyx-lobes strongly reflexed at fruiting stage. Corolla c. 8 mm. diam.; anthers 1.1-2 mm. long. Berries black, glistening, ± 6 mm. diam. Seeds (1)-1·5 mm. long. Baylis finds n = 12, pollen-grain diam. in lacto-phenol 20-27 µ, stone-cell masses in fruiting stage 0-4.
Solanum americanum Mill.
Unarmed annual or short-lived perennial herb, often bushy, up to 1 m tall, nearly always glabrous or almost so except when very young. Petioles to 5 cm long. Lamina very variable, in cauline lvs usually 4-10 × 1.5-5.5 cm (lvs at base of lateral shoots often smaller), ovate, ovate-oblong or lanceolate-ovate, entire to coarsely but distantly toothed or lobulate and sometimes with axillary leaflets; base broad-cuneate or attenuate; apex ± acute. Umbels few-flowered, with slender peduncles to c. 2 cm long at anthesis; pedicels becoming deflexed at fruiting. Calyx < 2 mm long, accrescent; lobes ovate to almost elliptic, usually strongly reflexed at fruiting. Corolla 5-8 mm diam., white or very pale mauve, glabrous; lobes ± triangular. Anthers 1-1.6 mm long. Berry 5-8 mm diam., globular, black, glossy; stone cells present. Seeds 1-2 mm long, broadly obovoid to almost orbicular.
Taxonomic concepts
Solanum americanum Mill.
Solanum americanum Mill.
Solanum americanum Mill.
Solanum americanum Mill.
Solanum americanum Mill.
Solanum americanum Mill.
Solanum americanum Mill.
Solanum americanum Mill.
Solanum americanum subsp. nodiflorum R.J.F.Hend.
Solanum americanum subsp. nutans (R.J.F.Hend.) R.J.F.Hend.
Solanum americanum subsp. nutans (R.J.F.Hend.) R.J.F.Hend.
Solanum americanum subsp. nutans (R.J.F.Hend.) R.J.F.Hend.
Solanum americanum var. nodiflorum (Jacq.) Edmonds
Solanum nodiflorum Jacq.
Solanum nodiflorum Jacq.
Solanum nodiflorum Jacq. subsp. nodiflorum
Solanum nodiflorum subsp. nutans R.J.F.Hend.
Solanum nodiflorum subsp. nutans R.J.F.Hend.
Historic biostatus
Indigenous, non-endemic
Wild
New Zealand
Political Region
Absent
New Zealand
Political Region
Plants in New Zealand belong to the subspecies Solanum americanum subsp. nutans (R.J.F.Hend.) R.J.F.Hend. (1988) which is now regarded as a synonym of Solanum nodiflorum subsp. nutans R.J.F.Hend.
Collections
Metadata
d8df1556-faa7-4551-907d-82a1adeaeab3
scientific name
Names_Plants
1 January 2000
26 November 2018