Odontonema tubaeforme

Family

Acanthaceae

Botanical Name

Odontonema tubaeforme (Bertol.) Kuntze

Kuntze, C.E.O. (1891) Rev. Gen.: 494. Type: ?.

Synonyms

Justicia tubaeformis Bertol., Novi Coment Acad. Sci. Inst. Bononiensis 4: 405(1840), Type: Guatemala, Escuintla, 1836, Velasquez s.n.; Holo: BOLO. Odontonema strictum (Nees) Kuntze, Rev. Gen. Pl.: 494(1891), Type: ?. Thyrsacanthus strictus Nees, Prodr. 11: 324(1847), Type: Honduras, Armstrong; Holo: Hooker Herb. K.

Common name

Fire Spike

Weed

Stem

Usually flowers and fruits as a weedy shrub about 2 m tall.

Leaves

Leaf blades elliptic to ovate, about 11-18 x 4.5-7 cm, petioles about 5 mm long. Lateral veins about 7-11 on each side of the midrib. Leaf blades glabrous on the upper surface, lower surface with short hairs along the midrib and lateral veins.

Flowers

Flowers about 10 mm diam. Calyx lobes glabrous, about 2 mm long, apices acute. Corolla tube about 22-24 x 4-5 mm, corolla slightly 2-lipped, lobes about 3-4 mm long, apices obtuse. Stamens inserted in the corolla tube, anthers not projecting beyond the corolla. Anthers and anther filaments each about 4 mm long. Staminodes two, much shorter than the perfect stamens. Ovary oblong, about 3-4 mm long. Style about 25 mm long.

Fruit

Features not available.

Seedlings