Ranunculus omiophyllus

Wiegleb, Gerhard, Bobrov, Alexander A. & Zalewska-Gałosz, Joanna, 2017, A taxonomic account of Ranunculus section Batrachium (Ranunculaceae), Phytotaxa 319 (1), pp. 1-55 : 9

publication ID	https://doi.org/ 10.11646/phytotaxa.319.1.1
persistent identifier	https://treatment.plazi.org/id/03E787B4-7745-FFA5-FF08-C804FAEF6C69
treatment provided by	Felipe
scientific name	Ranunculus omiophyllus
status

Treatment

2. Ranunculus omiophyllus View in CoL Ten., Fl. Nap. 4: 338 (1830).

≡ Batrachium omiophyllum View in CoL (Ten.) C.D.K. Cook, Mitt. Bot. Staatssamml. München 3: 600 (1960).

≡? Ranunculus aquatilis View in CoL L. var. homophyllus (Ten.) Moris, Fl. Sard. 1: 26 (1837).

≡ Ranunculus hederaceus View in CoL L. proles homoeophyllus (Ten.) Rouy & Fouc., Fl. Fr. 1: 60 (1893).

≡ Ranunculus hederaceus View in CoL L. var. homoeophyllus (Ten.) Fiori & Paoletti, Fl. Anal. Ital. 1: 500 (1898).

≡ Batrachium hederaceum var. omoiophyllum View in CoL (Ten.) Nyman, Consp. Fl. Eur. 16 (1878).

Type: ITALY. Balvano: Nasce ne’ fossi fangosi della Basilicata e della Calabria: a Balvano, Cassano, Corigliano, M. Tenore ( NAP, lectotype designated by Cook (1966a: 91)).

= Ranunculus coenosus Guss., Fl. Sicul. Prodr. Suppl. View in CoL 2: 187 (1834) [1832].

= Ranunculus hederaceus View in CoL L. subsp. coenosus (Guss.) Nyman, Consp. Fl. Eur. 1: 16 (1878).

= Ranunculus hederaceus L. var. coenosus (Guss.) Cosson, Comp. Fl. Atl. 2: 15 (1887).

= Batrachium coenosum (Guss.) Nyman, Bot. Not. 1852: 100 View in CoL (1852).

Described from Italiy (‘Sicily’).

= Ranunculus lenormandii F.W. Schultz, Bot. Zeit. View in CoL 20: 726 (1837).

= Batrachium lenormandii (F.W. Schultz) F.W. Schultz, Arch. Fl. Fr. et Allem. View in CoL : 70 (1844).

Described from France (‘Calvados’).

= Ranunculus reniformis N.H.F. Desp., Fl. Sarthe et Mayenne View in CoL : 3 (1838).

Described from France.

=? Ranunculus mauritanicus Pomel, Nouv. Mat. Fl. Atl. View in CoL 1: 249 (1874).

Described from Morocco.

Description

Wintergreen perennial or annual, amphiphyte; aquatic state with laminar leaves only (nymphaeid), terrestrial state with laminar leaves only. Shoots prostrate, creeping or floating, up to 50 cm long, glabrous, green, rooting at the nodes, internodes of the middle part of the shoot shorter than petioles of adjacent leaf, internodes of the upper part of the shoot shorter than peduncles. Laminar leaves present, opposite, 2–26 mm long, 3–32 mm wide, reniform to circular, with 3–7 primary lobes, dissected up to 1/2 of the lamina, primary lobes narrowest at base, secondary lobes 7–11(–15), margin entire or crenulate, basal sinus of the lamina 0–120°, glabrous; petiole 12–78 mm long, 3–6 times longer than lamina. Intermediate leaves absent. Capillary leaves absent. Stipules less than 1/2 adnate to the petiole, apex of free part rounded, glabrous. Peduncles 15–60 mm long, equal or shorter than petioles of opposite leaf, straight, glabrous. Sepals 5, 2–4 mm long, ovate, greenish, reflexed, caducous. Petals 5, 4–7 mm long, obovate, white with yellow claw, not contiguous in anthesis. Nectar pits 1 per petal, lunate. Stamens 5–13. Carpels 15–67, 1.5–2.2 mm long, obovate, glabrous, style terminal, caducous. Receptacles subglobose, glabrous.—Chromosome number. 2n = 16, 32.