Odontonema venezuelense Leonard

• Authority

  Maguire, Bassett & Wurdack, John J. 1961. The botany of the Guayana Highland--part IV (2). Mem. New York Bot. Gard. 10: 1-87.

• Family

  Acanthaceae

• Scientific Name

  Odontonema venezuelense Leonard

• Description

  Latin Diagnosis - Frutex vel herba suffrutescens usque ad 2.5 m altam, caulibus subquadrangularibus, glabris vel sursum parce antrorse hirsutis, pilis 0.5-1 mm longis; lamina foliorum oblongo-ovata, usque ad 33 cm longam, et 11 cm latam, breviter acuminata (apice ipso subacuto vel obtuso), basi angusta, integra vel leviter crenulata, firma, supra glabra, cystolithis minutis, usque ad 0.16 mm longos, subtus glabra, costa et venis parce hirtellis pilis usque ad 0.8 mm longos patulis vel ascendentibus exceptis, subtus costa et venis lateralibus (8-10 paribus) et venulis crasse reticulatis prominentibus, supra obscure venosa, cystolithis nullis; petioli crassi, usque ad 2 cm longos, parce hirtelli; panicula terminalis, densa, angusta, usque ad 14 cm longam et 3 cm latam, pedunculis 2 ad 2.5 cm longos et rhachibus plus minusve hirtellis; bracteae subulatae, carinatae, 1 cm longae vel minores, hirtellae; pedicelli 1 ad 2 mm longos, crassi, minute puberuli; calycis segmenta triangularia, 2 mm longa, 1.5 mm lata, acuta, minute puberula; corolla rubra, e 2.5 ad 3 cm longam, parce et minute puberula, tubo basi 2.5 mm lato, supra basim 1.5 mm lato, ad os 4 mm lato, labiis subaequalibus, 8-12 mm longis, labio superiore bilobato, lobis ovatis, 4-5 mm longis, 3-4.5 mm latis, apice rotundatis, labio inferiore ad basim trilobato, lobis oblongis, 2-4 mm latis apice obtusis; stamina vix exserta filamentis complanatis, glabris antheris oblongis, usque ad 5 mm longas et 1 mm latas, lateribus adaxialibus puberulis; staminodia usque ad 5 mm longa, apice antheris inchoatis; capsulae clavatae, glabra, 2.5 cm longae, 6 mm latae, stipitatae; semina plana, 5 mm longa, 4 mm lata basi obliqua, alveolata, cana.

• Discussion

  Fig. 40.