Tube shape : narrowly funnelform, pilose to short villous outside, pilose inside in lower tube
Tube dimensions : 31-50mm long x 2-3mm wide and slightly bulbous at the base, gradually widened above until 5-8mm wide at the rim
Sepal color upper : coral red
Sepal color lower :
Sepal shape : oblong
Sepal tips : obtuse, spreading at anthesis
Sepal dimensions : 9-16mm long x 3-5mm wide
Corolla opening color : red
Corolla mature color :
Corolla shape : oblong to broadly elliptic, obtuse at the apex
Corolla silhouette :
Petal margins :
Corolla dimensions : 11-20mm long x 4-8mm wide
Nectary : unlobed or shallowly 4-lobed, about 1.5mm high
Stamens :
Filaments : red, 5-9mm x 3-6mm long
Anthers : oblong, 2-2.5mm long x about 1.5mm wide, white
Pistil :
Style : red, glabrous
Stigma : capitate, shortly 4-lobed at the apex, 2-3mm long x 2-4mm wide, pink, exserted 1-3mm beyond the anthers
MISCELLANEOUS
Flower : single
Flowers : few to many in terminal, corymbose, drooping racemes, rachis 4 to 18 cm long, bracts lance-linear, denticulate, 15 to 50 mm long, 3 to 8 mm wide
Flower size :
Flower display :
Flower bud :
Fruit : cylindric to ellipsoid, 17-20mm long x 9-11mm wide
Seed : 1.6-2mm long x 0.9-1.2mm wide
Habit : erect shrub
Hardiness:
Height : 1-1.5 m
Light/Climate :
Optimal light conditions :
Remarks :
Named : after American botanic John J. Wurdack who discovered the species in 1962
Lookalikes :
Year (of first description) : 1964
Botanist : Munz
Authors : Munz 1964
Original publication : Brittonia 16: 229 1964
Habitat : endemic to moist sites on slopes leading into the Rio Utcubamba valley in Amazonas Department
Elevation : 2100-2400
Native country : northern Peru
Synonyms :
Gametic chromosome number n = 11
FOLIAGE
Leaves : opposite or ternate, softly membranous, shortly soft pilose on both sides, petioles pilose, 7 to 43 mm long, stipules conspicuous, lanceolate, usually with an obtuse apex, pale membranous, 3 to 5 mm long, 0.5 to 2 mm wide, sometimes connate, usually persistent and reflexed
Foliage color upper side :
Foliage color lower side :
Leaf dimensions : 7-18cm long x 2-8cm wide
Leaf shape : narrowly elliptic-ovate
Leaf margin : subdenticulate
Leaf tip : acute to subacuminate
Leaf base : acute to subacuminate
Pubescence :
Veins : secondary veins 7 to 14 on either side of the midvein
Stems :
Branches : young growth finely pilose, older stems pilose and dull tan, 3 to 10 mm thick
