Thunbergia laurifolia Lindl. (Thunbergiaceae), or commonly
known as blue trumpet vine or laurel clock vine, is native
to India.[1,2] The species is grown as an ornamental plant
and being a fast-growing vine, it has become an e[otic weed
in some countries. Its leaves are dark green, opposite, heartshaped,
with a pointed tip and slightly serrated leaf margin. [3-5]
The leaf blade can grow up to 20 cm in length and 16 cm
in width with a petiole up to 6 cm in length. Leaves are
thin and bright green in colour when young, and tend to
be darker green, thicker and slightly variegated as they mature
(Figure 1). Borne on pendulous inÁorescences, Áowers are
attractive, trumpet-shaped, with 5-7 rounded and pale
purplish-blue petals, and a yellow throat (Figure 2). The
Áower is up to 8 cm long and 6-8 cm across. The plant
produces round green stems and a tuberous root system.
Propagation is from stem or root cuttings.
Thunbergia laurifolia Lindl. (Thunbergiaceae), or commonlyknown as blue trumpet vine or laurel clock vine, is nativeto India.[1,2] The species is grown as an ornamental plantand being a fast-growing vine, it has become an e[otic weedin some countries. Its leaves are dark green, opposite, heartshaped,with a pointed tip and slightly serrated leaf margin. [3-5]The leaf blade can grow up to 20 cm in length and 16 cmin width with a petiole up to 6 cm in length. Leaves arethin and bright green in colour when young, and tend tobe darker green, thicker and slightly variegated as they mature(Figure 1). Borne on pendulous inÁorescences, Áowers areattractive, trumpet-shaped, with 5-7 rounded and palepurplish-blue petals, and a yellow throat (Figure 2). TheÁower is up to 8 cm long and 6-8 cm across. The plantproduces round green stems and a tuberous root system.Propagation is from stem or root cuttings.
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