Tube shape : narrowly funnelform, subtetragonous in transection, strigose outside, pilose inside in lower part
Tube dimensions : (35 to) 40-55mm long x 3-3.5mm wide and bulbous at the base, narrowed-2-2.5mm wide above the nectary and gradually widened above until 5-8mm wide at the rim
Sepal color upper : orange red
Sepal color lower : pink
Sepal shape : lanceolate
Sepal tips : acuminate, spreading to divergent at anthesis
Sepal dimensions : 10-20mm long x 4-6mm wide
Corolla opening color : orange red
Corolla mature color : pink
Corolla shape : broadly elliptic-ovate, rounded to subacute at the apex, mostly about half as long as the sepals
Corolla silhouette :
Petal margins :
Corolla dimensions : 7-11 long x 5.5-8mm wide
Nectary : unlobed or shallowly quadrilobed, 1.5-2mm high
Stamens :
Filaments : light red, 8-11mm x 5-8mm long
Anthers : oblong, 2.5-3mm long x ca. 2mm wide, white
Pistil :
Style : light red, pilose in lower ~
Stigma : subobconic, four-cleft apically, circa 3mm long x 3-4mm wide, light red
MISCELLANEOUS
Flower : single
Flowers : axillary at branch tips
Flower size :
Flower display :
Flower bud :
Fruit : ellipsoid, 16-20mm long x 8-10mm wide, strigose, reddish when ripe
Seed : 1.3-1.6mm long x 0.8-1.1mm wide
Habit : suberect to scandent shrub, with flexuous branches to several meters long when scandent
Hardiness:
Height : 1-4 m
Light/Climate :
Optimal light conditions :
Remarks :
Named : from Ayavaca (northwest Peru)
Lookalikes :
Year (of first description) : 1823
Botanist : Humboldt, Bonpland & Kunth
Authors : Humboldt, Bonpland & Kunth 1823
Original publication : Nov. Gen. Sp. 6: 107 1823
Habitat : Cajamarca and Piura Departments of northern Peru and southernmost Loja Province
Elevation : 1900-3200
Native country : Peru, Ecuador
Synonyms : F. asplundii, J. F. Macbride 1941, F. townsendii, I. M. Johnston 1925
Gametic chromosome number n = 11
FOLIAGE
Leaves : mostly ternate, occasionally quaternate, membranous, petioles 6 to 20 (to 30) mm long, stipules lanceolate to triangular, 1.5 to 2 mm long, mostly deciduous
Foliage color upper side : matte green and strigillose
Foliage color lower side : paler and strigose, sometimes red-tinged
Leaf dimensions : 6-15(-18)cm long x 2.2-5(-7)cm wide
Leaf shape : oblong to elliptic or narrowly elliptic-oblanceolate
Leaf margin : subentire to denticulate
Leaf tip : acute to subacuminate
Leaf base : acute
Pubescence :
Veins : secondary veins 7 to 12 on either side of the midvein, at times reddish
Stems :
Branches : young growth is densely canescent-strigose or hirtellous with whitish hairs, older portions are strigose to hirtellous, older branches have brown exfoliating bark
