Description
FLOWER PARTS
- Pedicel : pale green-reddish, 20-55 (to 70)mm long, glabrous-densely pubescent
- Ovary : ellipsoid-narrowly cylindrical, 8-18mm long x 2-3mm wide, subglabrous-densely cinereous, sometimes 8-sulcate
- Tube color : (light) pink to orange, the-base greenish or dull purple around the nectary
- Tube shape : glabrous to densely canescent or pilulose outside, pilose inside on lower third
- Tube dimensions : 85-120mm long x 5-9mm wide and strongly bulbous at the base, strongly constricted-2-4mm wide above the nectary, then abruptly widened-(8 to) 10-14mm wide in the upper part of the tube, slightly constricted-7-12mm wide at the mouth
- Sepal color upper : light green to dull yellow-green
- Sepal color lower :
- Sepal shape : narrowly triangular to lanceolate, connate for 4 to 10 mm at the base
- Sepal tips : acute, somewhat recurved at anthesis or divergent in lower Ih and suberect in upper Ih
- Sepal dimensions : 15-26mm long x 6-10mm wide
- Corolla opening color : green
- Corolla mature color :
- Corolla shape :
- Corolla silhouette :
- Petal margins :
- Corolla dimensions :
- Nectary : 3-5mm high
- Stamens :
- Filaments : green-pale yellow-green, the antesepalous ones 15-20mm long, the antepetalous ones 8-16mm long
- Anthers : (narrowly) oblong, yellow, 4-5mm long x 2-3.5mm wide,
- Pistil :
- Style : green-white-yellow, villous in lower the lower half or for most of the length,
- Stigma : green, clavate-globose, sometimes tetragonous, four-cleft at the apex, about 4mm long x 2-3mm wide
MISCELLANEOUS
- Flower :
- Flowers : axillary, one or few to numerous, usually densely clustered at branch tips
- Flower size :
- Flower display :
- Flower bud :
- Fruit : young berries 20-40mm long x 5-6mm wide
- Seed :
- Habit : shrubs, usually growing among rocks, or epiphytic on trees, with well-developed, cylindrical, tan tubers 2 to 50 cm long and 2 to 4 cm thick
- Hardiness:
- Height : 1-3 m
- Light/Climate :
- Optimal light conditions :
- Remarks : winter bloomer, tube can be over 20cm long, flowering period is principally in the dry season, from June to August
- Named :
- Lookalikes :
- Year (of first description) : 1940
- Botanist : Schulze-Menz
- Authors : Schulze-Menz 1940
- Original publication : Notizbl. Bot. Gart. Berlin-Dahlem 15: 136 1940
- Habitat : endemic to several valleys on the eastern slopes of the Andes
- Elevation : 2350-3000
- Native country : Peru
- Synonyms : F. tuberosa, Krause, F. tuberosa var. inflata, (Schulze-Menz) Munz 1943
- Gametic chromosome number n = 11
FOLIAGE
- Leaves : alternate or rarely opposite, membranous, petioles glabrous to canescent-velutinous, 12 to 22 (to 35) mm long, stipules filiform, 1.5 to 2 mm long, deciduous
- Foliage color upper side : glabrous to sparsely pubescent
- Foliage color lower side : glabrous to pubescent along the veins
- Leaf dimensions : 55-135mm long x 20-52mm wide
- Leaf shape : narrowly elliptic to ovate
- Leaf margin : subentire to remotely denticulate
- Leaf tip : acuminate
- Leaf base : acute to rounded to subcordate
- Pubescence :
- Veins : secondary veins 6 to 9 on either side of the midvein
- Stems :
- Branches : branchlets terete, 2 to 5 mm thick, tan to reddish, glabrous to densely cinereous or velutinous, older stems erect to divergent and 1 to 3 meters long, 4 to 12 mm thick, with freely exfoliating bark