Charming Opuntia relative with small oblong pads that are spineless and edible. Variable flowers of red and orange in spring.
Soil
Tacinga saxatilis
Opuntia saxatilis
Medium prickly pear, sprawls to 3ft, long white soft spines. Bright yellow flowers. Native to Subtropical dry forests.
Tacitus bellus
Flat 4″ to 6″ rosettes, slowly clumping;
Tanquana hilmarii
Pairs of small pudgy leaves, mostly solitary; vibrant yellow flowers. Low water.
Tephrocactus aoracanthus
T. aoracanthus var. paediophilus
Erect, branching, very fragile – ovoid stems will pop off and root. Long wild spines, white flowers with yellow highlights, red fruit. Tubercules spiral along the stems.
Tephrocactus articulatus v. inermis
Mostly low-spine with some long papery spines, branches to 12″ that easily break-off for propagation.
Tephrocactus articulatus v. papyracanthus
Papery-spines w/glochids. Globular stems, readily propagate by popping off at the joint and rolling away, root easily.
Tephrocactus geometricus
Tephrocactus alexanderi ssp. geometricus
Stunning globular stems stacked up, will break off and roll with few recumbent spines. Ivory white flowers. Very arid, can handle extreme desert and blazing hot direct sun. Keep dry in winter.
Tephrocactus geometricus f. inermis
Stunning globular stems stacked up, will break off and roll with few recumbent spines. Ivory white flowers. very arid, can handle extreme desert.
Tephrocactus turpinii
Opuntia turpinii
Tephrocactus articulatus
Long spineless stems do have small glochids. Upright to 2 feet.
Tephrocactus weberi
Shrubby, with many stems/branches. Very spiny, some flexible. Orange flowers.
Thelocactus bicolor
Usually solitary, stems can get 15″ high x 6″ around. Magenta flowers fade to white towards the center, and then get very dark below.
Thelocactus macdowellii
Generally solitary, occasionally forms clusters of 4-5″ stems, densely covered in white spines, 2 central tan-colored spines on conical tubercles. Magenta flowers.
Thelocactus setispinus
Small hedgehog cactus, generally solitary. 5″h x 3″ w.
Tillandsia cyanea
Semi-epiphytic, can grow with some soil unlike other Tillandsias. Blue flowers on bright pinik/red paddle shaped spikes.
Titanopsis calcarea
Small clumper forms dense mats of thick open leaves. Winter-growing, keep dry in summer. Grows in limestone strewn areas.
Titanopsis hugo-schlecteri
Small clumps of tubercle topped leaves, winter-growing, dry in summer
Titanopsis schwantesii
Small clumps with broad saucer-shaped warty leaves
Trachyandra saltii
Unusual caudiciform with long strappy leaves related to Aloes with narrow 2″ caudex. Small striped starry white flowers similar to Bulbines. Tuberous roots. Native to dry grasslands.
Trachyandra tortilis
Small plant from Namaqualand (S. Africa) that grows to have stunning wavy leaves that grow wider each year, will form ribbon like thick wavy leaves in a few years.
Winter grower with a summer dormancy. Hardy in the Bay Area.
Summer – when leaves drop, let the pots dry out completely, only
giving it a very small amount of water once/month. Let it rest in a
hot well-ventilated area for the duration of the dormancy.
Autumn – as temperatures cool you should see new leaves
appear, at which time you can give them a drink. Water every 2-3
weeks while growing thru spring. Make sure the soil totally dries
out between watering.
Trichodiadema barbatum
Large mats of shrubby stems with bristly tips. A low succulent groundcover with lovely pink flowers. Leaves have soft white bristles. Grows a tuberous base that looks great when elevated in a container.
Trichodiadema bulbosum
Irregular caudex; shrubby w/long stems, small green leaves and small pink-purple flowers.
Easy to grow natural bonsai, stems and leaves can be cut back for shape. Lift plant up to expose more swollen roots each time you repot.
Trichodiadema densum
Tuberous roots with short stems; green leaves to 1″l. with white bristles
Trichodiadema mirabile
Shrubby stems with bristly tips. White flowers in summer.
Tulista hybrid
Tulista marginata x pumila
Clumping stemless rosettes to 5″, thick, variable green leaves with spotty white spots/stripes. Slow growing, long-lived.
Tunilla erectoclada
Opuntia picardoi
Mini prickly pear, pads 1-2″ groundcover
Tunilla soehrensii
Low growing, stems flattened crescents, long spines. Seeds used for red dye. Flowers are orange to rose-red, bloom in spring. Stems often lay flat and the growth habit can include creeping along the ground and rooting from the pads.
Turbinicarpus gielsdorfianus
Small round cactus with long curving black spines and yellow flowers. Usually solitary, vertical growth is almost conical. Woolly areoles.
Tylecodon buchholzianus
Natural bonsai, dwarf shrub. Occasional ovoid green leaves on tips of brown branches. Tiny pink flowers. Prefers some afternoon shade in the summer.
Tylecodon schaeferianus
Small branched succulent with tubular pink flowers. Underground tuberous roots form a caudex and can be exposed above the soil line as they grow.