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F. rivularis ssp. rivularis

FLOWER PARTS

  • Pedicel : drooping-subdivergent, puberulent, 10-53mm long
  • Ovary : cylindrical, 6-8mm long x 2-3mm wide, generally pubescent
  • Tube color : bright scarlet
  • Tube shape : narrowly funnelform, subglabrous to pilose or strigillose outside, pilose inside
  • Tube dimensions : 36-65mm long x slightly bulbous at the base and 3-5mm wide, narrowed-2-4mm wide above the nectary, then widened gradually above until (5 to) 6-10mm wide at the rim
  • Sepal color upper : bright scarlet
  • Sepal color lower :
  • Sepal shape : narrowly lanceolate
  • Sepal tips : mostly free, spreading tips in bud 1.5 to 2.5 mm long, divergent at anthesis
  • Sepal dimensions : 16-20mm long x 3-7mm wide
  • Corolla opening color : orange red
  • Corolla mature color :
  • Corolla shape : oblong to lance-elliptic, crispate-margined, often with a few, scattered hairs on the midvein dorsally, spreading-recurved at anthesis
  • Corolla silhouette :
  • Petal margins :
  • Corolla dimensions : 15-22mm long x 4-7mm wide
  • Nectary : light green, shallowly 4-lobed, 3-4mm high, fused-the base of the tube in lower half
  • Stamens :
  • Filaments : red, 10-15mm x 6-11mm long
  • Anthers : narrowly oblong, 4-4.5mm long x 1.5-2mm wide, white
  • Pistil :
  • Style : red, usually glabrous
  • Stigma : subobconic, 3-4mm long x 2-3mm wide, lightly 4-cleft apically, light red

MISCELLANEOUS

  • Flower : single
  • Flowers : few and pendant in uppermost leaf axils
  • Flower size :
  • Flower display :
  • Flower bud :
  • Fruit : ellipsoid, reddish, 14-16mm long x 8-10mm wide
  • Seed : tan, 1.1-1.4mm long x 1.8-1mm wide
  • Habit : scandent shrubs or lianas to ten meters above ground, with long, flexuous-arcuate, mostly unbranched shoots to several meters long
  • Hardiness:
  • Height :
  • Light/Climate :
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  • Remarks :
  • Named :
  • Lookalikes :
  • Year (of first description) : 1940
  • Botanist : Macbride J.F.
  • Authors : Macbride1940
  • Original publication : Candollea 8: 24 1940
  • Habitat : locally frequent in thickets, frequently climbing up trees in forest openings, in mid-elevation cloud forest of Amazonas Department, east and northeast of Chachapoyas, at elevations from 2,100-2,600 meters, with a few collections also known from Cajamarca Department, Cutervo Province, at elevations from 1,900 to 2,650 meters.
  • Elevation : 1900-2650
  • Native country : Northen Peru
  • Synonyms : F. woytkowskii, Macbride 1941
  • Gametic chromosome number n = 11

FOLIAGE

  • Leaves : ternate or mostly quaternate, subcoriaceous, petioles stout, pilose, 3 to 6 mm long, stipules triangular-lanceolate, 2 to 3 mm long, 0.8 to 1.3 mm wide, thick at the base, spreading, subpersistent
  • Foliage color upper side : nitid dark green and subglabrous
  • Foliage color lower side : paler green and subglabrous to pilose
  • Leaf dimensions : 5-9cm long x 2-5cm wide
  • Leaf shape : narrowly elliptic to elliptic
  • Leaf margin : subentire to glandular-denticulate
  • Leaf tip : narrowly acute to obtuse or subacuminate
  • Leaf base : acute to obtuse
  • Pubescence :
  • Veins : secondary veins 13 to 15 on either side of the midvein, midrib elevated below
  • Stems :
  • Branches : branchlets and young growth subglabrous to puberulent, older branches pilose or puberulent, glabrescent with age, with subnitid, red purple bark exfoliating in wide strips