Impatiens grey-wilsonii Eb. Fisch., 2004

Fischer, Eberhard & Rahelivololona, Marie Elisette, 2004, New taxa of Impatiens (Balsaminaceae) from Madagascar. III, Adansonia (3) 26 (1), pp. 37-52 : 49-50

publication ID	https://doi.org/ 10.5281/zenodo.5181272
persistent identifier	https://treatment.plazi.org/id/03AE8780-FF9C-3B1A-FD01-FE601138FAC1
treatment provided by	Carolina
scientific name	Impatiens grey-wilsonii Eb. Fisch.
status	nom. nov.

Treatment

Impatiens grey-wilsonii Eb. Fisch. View in CoL , nom. nov.

Impatiens longicalcarata (G.M. Schulze & Wilczek) Grey-Wilson, Kew Bull. View in CoL 33: 644 (1979).

Impatiens congolensis G.M. Schulze & Wilczek var. longicalcarata G.M. Schulze & Wilczek, Bull. Jard. Bot. Brux. View in CoL 29: 188 (1959).

TYPUS. — Michelson 706, Congo-Kinshasa, Miki

(holo-, BR).

Impatiens delabathiana Eb. Fisch. & Rahelivololona , nom. nov.

Impatiens trichocarpa H. Perrier, Arch. Bot., Caen View in CoL 7, Mém. 1: 52 (1934), non Impatiens trichocarpa Hook. View in CoL f., Ic. Pl. t. 2914 (1910).

TYPUS. — Perrier de La Bâthie 5804, 1700 m, massif de Manongarivo, May 1909 (holo-, P).

DISTRIBUTION. — Madagascar, only known from the type locality .

ETYMOLOGY. — Dedicated to PERRIER DE LA BÂTHIE, the pioneer of research on Madagascan Impatiens .

As the epithet trichocarpa had been used yet for an Indian Impatiens species by HOOKER, a new name had to be chosen for the Madagascan taxon. Impatiens delabathiana is related to Impatiens firmula Baker , I. marivorah e n s i s H. Humbert and I. s a m b i ra n e n s i s H. Perrier.

Subgenus TRIMORPHOPETALUM (Baker) Eb. Fisch.

Lower sepal without spur.

Impatiens stefaniae Eb. Fisch. & Rahelivololona , sp. nov.

Differt ab Impatienti biophytoides et I. justicioides forma foliorum et forma petalorum lateralium.

TYPUS. — Rahelivololona, Saola & Scenario 135, Madagascar, Prov. Toamasina. Masoala Peninsula, Ambanizana-Ambohitsitondroina, sous bois sur humus,? chemin Campement, 300 m, 18 Feb. 2002 (holo-, TAN; iso-, NEU).

Perennial herb with creeping rhizome, glabrous, teinted with red. Stem erect, 19-50 cm tall. Leaves alternate, entirely green, petiole 7- 13 mm long, lamina lanceolate, 49-72 × 11-19, margin with 6-8 pairs of fimbriae. Inflorescence with solitary axillary flowers, pedicel 5-8 mm, curved at apex. Flower green to greenish, lower sepal whitish to yellowish. Lateral sepals 2, linearlanceolate, 3-3.5 × 1 mm. Lower sepal ovate, acuminate at apex, c. 7 × 3 mm. Dorsal petal cucullate, 6-7 × 3 mm, with rounded spur-like apicule near base of crest. Lateral united petals 8 mm long, upper petal obtuse, 2-2.5 × 1- 1.5 mm, lower petal 5 × 2 mm. Anthers 3 mm long. Ovary 3-4 mm long. Fruit unknown. — Fig. 8. View FIG

HABITAT. — Lowland to submontane rainforest.

DISTRIBUTION. — Madagascar, only known from the type locality .

ETYMOLOGY. — Dedicated to Stefanie BENDER (Wiesbaden).

Impatiens stefaniae is related to I. biophytoides H. Perrier and I. justicioides H. Perrier , but differs in shape of leaves and shape of lateral united petals.

Impatiens oniveensis Eb. Fisch. & Rahelivololona , nom. nov.

Impatiens rubrolineata H. Perrier, Arch. Bot., Caen View in CoL 7, Mém. 1: 84 (1934), non Impatiens rubrolineata Hook. View in CoL f., Kew Bull. 1910: 300 (1910).

TYPUS. — Perrier de La Bâthie 17021, aux environs du confluent du Mongoro et de l’Onivé, vers 700 m, Feb. 1925 (holo-, P).

DISTRIBUTION. — Madagascar, only known from the type locality .

ETYMOLOGY. — Named after the River Onivé.

As the epithet rubrolineata had been used yet for an Indian Impatiens species by HOOKER, a new name had to be chosen for the Madagascan taxon. Impatiens oniveensis is related to I. parvigaleata H. Perrier and I. asperipetala H. Perrier.

Impatiens lemuriana Eb. Fisch. & Rahelivololona , nom. nov.

Impatiens gibbosa H. Perrier, Arch. Bot., Caen 7, Mém. 1: 85 (1934), non Impatiens gibbosa Arn., Comp. Bot. Mag. View in CoL 1: 321 (1836) (= I. leptopoda Arn. ).