Mariosousa acatlensis (Bentham) Seigler & EbingerSynonymy and types

국표에는 없다.

Formal description

Shrub or small tree to 15 m tall. Bark dark gray, shallowly furrowed.  Twigs light brown to greenish brown, not flexuous, glabrous to lightly puberulent.  Short shoots absent.  Leaves alternate, 50-150 mm long. Stipules herbaceous, light brown, narrowly linear, to 3 x 0.5 mm near the base, usually glabrous, persistent.  Petiole adaxially shallowly grooved, 15-40 mm long, glabrous or nearly so, but commonly with minute purple glands; petiole gland solitary, located between the lower pinna pairs or along the upper half of the petiole, sessile, nearly circular to slightly elongated, 0.7-2.3 mm long, saucer-shaped to cup-shaped, glabrous, rarely absent.  Rachis adaxially grooved, 20-110 mm long, glabrous to lightly puberulent and usually with minute purple glands, a sessile, cup-shaped gland, 0.4-0.9 mm across, between the upper pinna pair.  Pinnae 7 to 30 pairs per leaf, 25-60 mm long, 3-7 mm between pinna pairs.  Petiolules 1.0-2.4 mm long.  Leaflets 36 to 60 pairs per pinna, opposite, 0.5-1.2 mm between leaflets, linear, 2.5-4.8 x 0.7-1.1 mm, glabrous and commonly light greenish-purple above, lateral veins obvious, a midvein and 1 to 2 smaller veins from the base, base oblique, margins ciliate, apex narrowly acute to acuminate.  Inflorescence a loosely flowered cylindrical spike 40-100 mm long, 1 to 4 from the leaf axil. Peduncle 5-10 x 0.5-1.0 mm, glabrous to lightly puberulent and commonly with scattered minute purple glands.  Involucre absent.  Floral bracts linear, to 1 mm long, early deciduous.  Flowers sessile, creamy-white; calyx 5-lobed, 1.0-1.6 mm long, lightly appressed pubescent; corolla 5-lobed, 2.1-2.8 mm long, lightly appressed pubescent; stamen filaments 4.5-6.5 mm long, distinct; ovary glabrous, on a stipe to 0.4 mm long.  Legumes light to dark brown, straight, flattened, not constricted between the seeds, oblong, 80-170 x 13-25 mm, cartilaginous, transversely striate, glabrous, eglandular, dehiscent along both sutures; stipe to 20 mm long; apex broadly acute.  Seeds uniseriate, no pulp, dark reddish-brown, oval, strongly flattened, 7-10 x 4.5-7.2 mm, smooth; pleurogram U-shaped, 1.2-2.3 mm across.   Flowers: March-June.  Chromosome number: Not determined. 

Factsheet - acatlensis (anbg.gov.au)

 

 

https://youtu.be/g7fyOz0oLSM