Tube dimensions : 47-58mm long x 3-5mm in diameter at the slightly bulbous base, narrowing-2-4mm wide above, then widening again-about 8mm wide at the rim
Sepal dimensions : 16-17mm long x about 4mm wide at the base, the distalmost 2-3mm free in bud
Corolla opening color : orange
Corolla mature color :
Corolla shape : 4, glabrous, narrowly elliptic,
Corolla silhouette :
Petal margins :
Corolla dimensions : 16-18mm long x 4-5mm wide
Nectary :
Stamens : stamens 8, the antesepalous ones 12-13 mm long, the antepetalous ones 8 to 9 mm long
Filaments :
Anthers : about 4 long x 1.5mm wide
Pistil :
Style : sparsely pubescent and protruding from the floral tube
Stigma : capitate, slightly 4lobed at the apex, 2-2.5mm long x about 1.5mm wide
MISCELLANEOUS
Flower : single
Flowers : to four per node, pendent in the uppermost leaf axils
Flower size :
Flower display :
Flower bud :
Fruit : unripe berries oblong, densely pubescent, 8-12mm long x 3-6mm wide
Seed :
Habit : scandent shrub or liana to ten meters above ground, with long, flexuous-arcuate, mostly unbranched shoots to several meters long, young growth densely puberulent
Hardiness:
Height :
Light/Climate :
Optimal light conditions :
Remarks :
Named : named after the city of Santa Rosa in Bolivia
Lookalikes :
Year (of first description) : 1898
Botanist : Kuntze O.
Authors : Kuntze 1898
Original publication : Revis. Gen. Pl. 3(2): 98 1898
Habitat : scattered to locally frequent in cloud forest from Cuzco Department in Peru to Cochabamba Department in Bolivia
Elevation : 1400-3000
Native country : Bolivia, southern Peru
Synonyms : F. boliviana, Britton 1890, F. weberbaueri, Krause 1905, F. brittonii, Johnston 1925, F. filipes, Rusby 1927
Gametic chromosome number n =
FOLIAGE
Leaves : in whorls of three or four, petioles stout, pubescent, 2 to 4 mm long, stipules narrowly lanceolate, 1.5 to 2 mm long.
Foliage color upper side : green and sparsely pubescent
Foliage color lower side : paler and densely pubescent in young leaves, with erect trichomes about 0.25 mm long, older leaves with trichomes persistent along the midvein and secondary veins of both surfaces
Leaf dimensions : 3-6cm long x 1-3cm wide
Leaf shape : elliptic to obelliptic
Leaf margin : subentire to glandular-denticulate
Leaf tip : variable from rounded and mucronate to obtuse or acute
Leaf base : acute to obtuse
Pubescence :
Veins : secondary veins 13 to 15 on either side of the midvein, the midrib elevated on lower surface
Stems :
Branches : branchlets with erect trichomes about 0.25 mm long, older branches with exfoliating brown to red-brown bark