Description
FLOWER PARTS
- Pedicel : 19-44mm long
- Ovary : oblong, pilose, light red, 5-7mm long x 1.5-3mm wide
- Tube color : red to orange-red
- Tube shape : suburceolate, sparsely pilose outside, glabrous within
- Tube dimensions : 6.5-7.5mm long from top of ovary-point of petal and stamen insertion, 4-5mm in diameter and quadrilobed at the base, narrowed-3.5mm in diameter in the middle, about 4.5mm in diameter at the rim
- Sepal color upper : red to orange-red
- Sepal color lower :
- Sepal shape : triangular
- Sepal tips : spreading at anthesis
- Sepal dimensions : 9-11mm long x 3mm wide, connate at base for 2-3mm
- Corolla opening color : maroon
- Corolla mature color :
- Corolla shape : suborbicular, erect, slightly convolute
- Corolla silhouette :
- Petal margins :
- Corolla dimensions : 5-6.5mm long x 4.5-5.5mm wide
- Nectary : a ring about 1mm high, surrounding and tightly appressed-the base of the style, with four stout ridges extending up along the floral tube and tapering towards the rim
- Stamens : stamens in two series, the antisepalous stamens erect and exserted above the floral tube, with filaments 1 to 1.5 mm long, the antipetalous stamens reflexed and included within the tube
- Filaments :
- Anthers : oblong, 2-3.5mm long x 1-2mm wide, with a small, mucronate tip, dorsifixed, the exserted slightly larger, pollen bi- (rarely tri-) aperturate, longest dimensions 84-96 µn (based on ten grains), the ektexine with elongate sculpture elements and smooth viscin threads attached near the proximal pole,
- Pistil :
- Style : glabrous, 12-14 mm long, pink,
- Stigma : capitate, shortly quadri-lobed, 2mm long x 1.5-2mm in diameter, pink
MISCELLANEOUS
- Flower :
- Flowers : solitary in upper leafaxils, pendant and secund
- Flower size :
- Flower display :
- Flower bud :
- Fruit : oblong, deep maroon, 15-20mm long x 10-12mm wide
- Seed : 120-150 per berry, materally compressed, 1.2-1.6mm long x 1mm wide
- Habit : erect to scandent shrubs, roots tuberous with large clusters present at base of the stem, individual segments irregularly ovoid to clavate, to 16 cm long and 5.5 cm in diameter
- Hardiness:
- Height : 1-2 m
- Light/Climate :
- Optimal light conditions :
- Remarks :
- Named : derived from a Greek term meaning “thick footed”. It refers to the characteristically thickened and tuberous roots of the species
- Lookalikes :
- Year (of first description) : 1988
- Botanist : Berry P.E. & Stein B.A.
- Authors : Berry & Stein 1988
- Original publication : Syst. Bot. 13: 484 1988
- Habitat : known from only two locations on the western slopes of the Peruvian Andes: Near Contumaza in Cajamarca Department and near Cochabamba in Ancash Department
- Elevation : 2450-2900
- Native country : Peru
- Synonyms :
- Gametic chromosome number n = 11
FOLIAGE
- Leaves : deciduous in the dry season, mostly alternate, occasionally opposite or ternate, membranaceous, petioles pilose, 5 to 21 mm long, often leaving a subspinose protrusion on the stem after leaf abscission, stipules dark, triangular with subulate tips, 0.8 to 1.1 mm long, persistent
- Foliage color upper side : glabrous with impressed veins
- Foliage color lower side : subglabrous to pilose
- Leaf dimensions : 5-13cm long x 1.5-2.5cm wide
- Leaf shape : narrowly elliptic
- Leaf margin : serrulate
- Leaf tip :
- Leaf base :
- Pubescence :
- Veins : secondary veins 9 to 15 on either side of the midvein
- Stems :
- Branches : branches arching to divergent with reddish-brown, exfoliating bark, young stems pilose with hairs 0.3 to 0.5 mm long