Marathrum foeniculaceum Bonpl.

국표에 없다.

• Pl. Aequinoct. 1: 40 (1806) 

• This name is reported by Podostemaceae as an accepted name in the genus Marathrum (family Podostemaceae).

  The record derives from WCSP (in review) (data supplied on 2024-06-04) which reports it as an accepted name

Marathrum foeniculaceum Bonpl. in Humb. & Bonpl., Pl. Aequinoct. 1: 40. 1806;  M. minutiflorum Engl. M. oxycarpum Tul.; M. schiedeanum (Cham.) Tul. Hierbas hasta 50 cm de largo, unidas al substrato por una base irregular de hasta 60 cm de largo y 2 cm de ancho. Hojas repetidamente pinnadas, hasta 50 cm de largo, divisiones últimas casi filiformes to espatuladas, 0.5–4.5 mm de largo; pecíolos hasta 13 cm de largo; estípulas 1–3 mm de largo. Flores solitarias o fasciculadas; pedicelo 1–9 cm de largo, ensanchado to cuculiforme en el ápice or neither; tépalos 5–10, en un verticilo, 0.5—1.5 mm de largo; estambres 5–10, 3.5–6 mm de largo; ovario 2--5.5 mm de largo y 1–3 mm de diámetro, con 8 costillas. Cápsula 2.5—5.5 mm de largo, cada valva con 5 or 6 costillas prominentes. Localmente abundante en corrientes de aguas poco profundas, en Chontales, Jinotega, Matagalpa y Zelaya; 0–975 m; fl y fr ene–may; Haynes 8367, Stevens 22857; Mexico a Colombia and Ecuador.

Medium-sized herb; base irregular, 0.5-2.0 cm. long, 1.0-1.5 cm. wide. Leaves 2.5-35.0 cm. long, repeatedly bifurcated or rarely 3-6 times pinnate; lateral lobes 3-6 times bifurcated or rarely pinnate, 0.5-10.0 cm. long, ascending at an angle of 30-600, the ultimate divisions 0.5-12.0 mm. long, narrow, obtuse or acute, nerveless or very rarely nerved; petiole 1-8 cm. long, flattened, membranaceously widened at the base, with a distinct, sometimes very irregular ligule 2-3 mm. long and 5 mm. wide. Flowers solitary or in fascicles between the leaf bases; pedicel 1.0-1.5 cm. long, thickened into a disc at the tip; young spathe acute, 0.5-1.0 cm. long, the older tubular or infundibuliform, 0.5-1.0 cm. long; tepals 5-8, triangular, acute or acuminate, about 1 mm. long; stamens 5-8, 3.5-5.5 mm. long, the fila- ment lanceolate, scaphiform at the base, sometimes slightly united, 3-4 mm. long, the anthers obtuse, about 1 mm. long; pollen nearly globose, about 18 X 15 j, the lobes very wide at one pole and tapering toward the other; ovary ellipsoid, acute, base attenuate, flattened, distinctly 8-ribbed, 3.0-4.5 mm. long, 1.0-1.5 mm. wide; styles flattened or subulate, acute or emarginate, 1.0-2.5 mm. long. Fruit dehiscing with 2 equal, 5-ribbed valves.

Morphology

Flower: grouping isolated/fasciculate; stamen 5 to 11; pedicel non cupuliform; symmetry actinomorphic; tepal(s) triangular. Fruit: costa not winged. Flor: agrupamento isolada(s)/fasciculada(s); estame(s) 5 a(s) 11; pedicelo(s) não cupuliforme(s); simetria actinomorfa(s); tépala(s) triangular(es). Fruto: costa(s) não alada(s). Flor: agrupamiento isolada(s)/fasciculada(s); estambre(s) 5 a(s) 11; pedicelo(s) no cupuliforme(s); simetria actinomorfa(s); tépala(s) triangular(es). Fruto: costa(s) no alada(s).

Marathrum foeniculaceum Bonpl. (worldfloraonline.org)

 

A) Characteristics of the river where podostemads fruits were collected. B) Marathrum foeniculaceum in vegetative phase. C) Fruits of M. foeniculaceum. D) Noveloa coulteriana in vegetative phase. E) Fruits of N. coulteriana (marked with red arrows).

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