Trichocereus tulhuayacensis

• Body: Dark green trunk to 6.5' (2m.) high, branches to 4.75” (12cm.) diameter from low on the body.
• Ribs: 7-9, to .4” (1cm.) high, 1.4” broad.
• Areoles/Spines: Areoles to .3” (8mm.), yellowish at first, then gray, surmounted by a curving depression, prominences sometimes reddish. Spines mostly directed downwards, longest one more porrect, whitish-gray, otherwise yellowish at first, dark-tipped. Eight radial spines to 1” (2.5cm.) long, 3-4 central spines from 2.1” (5.5cm.) to 3.1” (8cm.) long.
• Flowers/Fruit: Flowers fairly large, stoutly funnelform, light pink, ivory-white towards the throat. Dark green fruit to 1.75” (4.5cm.) diameter.
• Distribution: Near Huachac, Peru, around 11,000' (3400m.).

Trichocereus tunariensis

• Body: Pale green, shrubby to 10' (3m.) high. Branches from below to 4.75” diameter at base.
• Ribs: 16-21, to .6” (1.5cm.) high, to .7” (1.7cm.) broad.
• Areoles/Spines: Gray areoles to .2” (6mm.) diameter, .4” (1cm.) apart. Yellowish spines barely distinguishable between radial and central spines, about 17 needle-like, flexible with the longest ones directed downwards, to 2.4” (6cm.).
• Flowers/Fruit: Flower white, to 6.75” ( 17cm.) long. Edible, dark green fruit to 1.6” (4cm.) long, 2” diameter.
• Distribution: Between Yurac kkasa and San Miguel, Bolivia at about 12,500' (3800cm.).

Trichocereus uyupampensis

• Body: Prostrate to hanging to 6.5' (2m.) long, branches about 1.4” diameter.
• Ribs: 9, flat, narrow, slightly raised around the areole.
• Areoles/Spines: Small, light brown areole. Eight to 10 spines, fine, irregularly directed, pointing up and down, darker, to .25” (6mm.) long.
• Flowers/Fruit: Flower, white with reddish outside, to 6.3” (16cm.) long.
• Distribution: Uyupampa, Southern Peru at about 10,000' (3000m.) altitude.