Trichocereus huanucoensis

• Body: Huntington Botanical Gardens specimen.
• Ribs:
• Areoles/Spines:
• Flowers/Fruit:
• Distribution:

Trichocereus huascha - BR63 (aka Helianthocereus huascha - B76)

• Body: More or less cespitose, forming clumps to 6.5' (2m.) broad of cylindric stems to 2” (5cm.) diameter and 5.25' (1.6m.) high.
• Ribs: 12-18, low, rounded.
• Areoles/Spines: Areoles approximate, only ~.25” (6mm.) apart. Numerous, unequal, needle-like spines up to 2.4” (6cm.) long, yellowish to brown.
• Flowers/Fruit: Flowers variable from red to yellow, broadly funnelform, to 4” (10cm.) long.
• Distribution: Northern Argentina (Yacutala & Catamarca).

Trichocereus knuthianus

• Body: Trunk to 10' (3m.), eventually tree-like. Branches to 4” (10cm.) diameter, frosted, brilliant light bluish-green.
• Ribs: ~7, rounded.
• Areoles/Spines: Large areole with much felt. Seven radial spines, 1 center spine to 4” (10cm.), soon becoming concolorous whitish-gray although tipped yellowish at first.
• Flowers/Fruit: Large, white flower.
• Distribution: Upper course of the Rio Marañon, Peru.

Trichocereus lamprochlorus

• Body: Intense, glossy green body, erect and as robust as T. spachianus. Columnar, simple, branching at base, to 6.5' (2m.) high; 3.1” diameter.
• Ribs: ~10-12 at first [up to 17], low and rounded.
• Areoles/Spines: At first, 7 radial spines, increasing with age, to .4” (1cm.) long. At first 1 center spine, increasing to .4 to .7” (2cm.) long. Spines yellow below, brown above, later light colored.
• Flowers/Fruit: White flowers, from 6.1” (15.5cm.) to 9.5” (24cm.) large, 5.5” (14cm.) diameter.
• Distribution: Eastern Bolivia/Northern Argentina.