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Sandoval County Master Gardeners 3/16/2016

Cacti and Other Κακτος ------prickly (thistle) Κακτος ------prickly plant (thistle) Succulents of the Cacti are: Cacti are: Southwest Rich Reif 1. Succulents 1. Succulents

March 16, 2016 2. New world

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1 Sandoval County Master Gardeners 3/16/2016

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2 Sandoval County Master Gardeners 3/16/2016

--1-- Not a ! --2--

Euphorbia debilispina

CACTUS!! --3-- CACTUS!!

Pereskia aculeata lepticaulis Barbados gooseberry; cactus Pencil cholla; Christmas cactus

--4-- --5-- Not a cactus!

Euphorbia mammillaris

Corn cob cactus

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Not a cactus! --6-- CACTUS!!

Agave toumeyana Ariocarpus agavoides

Toumey’s Tamaulipas living rock

--7-- CACTUS!! --8--

Ariocarpus fissuratus

Living rock

Not a cactus --9-- Not a cactus

Euphorbia pseudocactus Pachypodium geayi

Candelabra spurge; false cactus Madagascar palm

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--10-- CACTUS!! --11--

Tephrocactus articulatus

Paper-spined cholla

--12-- Not a cactus CACTUS!!

Leuchtenbergia principis

Agave cactus, Prism cactus Tromotriche revoluta (syn: Stapelia revoluta)

Carrion plant (?)

--13-- --14-- CACTUS!!

Astrophytum myriostigma

Bishop’s cap, Bishop’s hat

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Not a cactus Five characteristics of all cacti: Five characteristics of all cacti:

1. Perennial 1. Perennial 2. Dicot -- plant with two

Euphorbia trigona African milk tree, Cathedral cactus

Spider plant Pereskia Iris Sycamore Five characteristics of all cacti:

Pachypodium 1. Perennial Lily 2. Dicot -- plant with two seed leaves

Apple Willow 3. is a berry

Dicot leaves

Monocot leaves Daylily

Five characteristics of all cacti: Echinocereus dasyacanthus

1. Perennial Rainbow cactus

2. Dicot -- plant with two seed leaves

3. Fruit is a berry

4. with inferior ovary

Superior Inferior Ovary not Ovary Ovary connected to hypanthium

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Five characteristics of all cacti: Opuntia engelmannii

Cow tongue 1. Perennial

prickly pear 2. Dicot -- plant with two seed grusonii leaves (Golden barrel)

3. Fruit is a berry Mammillaria sp. 4. Flower with inferior ovary

5. Only plants with areoles Echinocereus areole and spines

Opuntia imbricata --- Walking stick cholla Coryphantha sp. (note groove) Parodia sp.

Sand Mix: I use about 80% sand and 20% Preparing cacti for planting organic matter (topsoil, peat, etc.). Add (pots or landscape): about a teaspoon of granular systemic insecticide to a four-inch pot. Mix well. The sand should be slightly damp. 1. Trim all to perhaps a half inch or inch of the bottom of the plant. Top dressing --- very small stones

Sand mix 2. Let the cut roots dry – 5 to 7 days. Pot --- clay or plastic 3. Dust the cut roots and bottom of the plant Pebbles or pea gravel, to hold with powdered sulfur. potshard in place Potshard, to block drain 4. Prepare the pot or spot in the landscape hole Opuntia areoles, spines, where the cactus will be placed. After planting, DO NOT WATER for about glochids, and new pads with one week. leaves Drain hole

WATERING: PESTS: Mealy bug Cacti need water, and they do like it, but not 1. Aphids too much!! infestation!!

SUMMER (when plants are growing and blooming): 2. Fungus --- over-watering is the Water about once a week – about one-fourth culprit here. This is what the sulfur cup for a 4 inch pot. is for. SPRING AND AUTUMN: Water about once every two weeks. 3. Mealy bugs --- Use a systemic. If

WINTER (plants are dormant): they appear, remove with a cotton Water about once a month. swab or spray with an insecticide.

7 Sandoval County Master Gardeners 3/16/2016

HABITS OF GROWTH Opuntia polyacantha Echinocereus --- the hedgehog cacti Opuntia phaeacantha Common prickly pear 1. Tree-like: branched, not jointed or articulate; pereskioid Pereskia

2. Jointed: upright or caespitose, flat or cylindrical; opuntioid Opuntia Cylindropuntia Grusonia

3. Cylindrical: usually ribbed, may branch; cereoid Cereus Echinocereus Oreocereus

4. Globose: ball-shaped or barrel-shaped, usually ribbed Echinocactus Ssp. neomexicanus Thelocactus Echinocereus

5. Tuberculate: long tubercules, not generally ribbed triglochidiatus Mammillaria Coryphantha Opuntia inbricata Opuntia clavata Claret cup cactus Walking stick cholla Club cholla Ssp. triglochidiatus Ssp. neomexicanus

Echinocereus fendleri Mammillaria heyderi

Nipple cactus; Pancake pincushion

Fendler’s Mammillaria wrightii hedgehog Wright’s fishhook cactus Wright’s pincushion

Sclerocactus whipplei Devil’s claw barrel cactus Whipple’s fishhook barrel

Sclerocactus papyracanthus

Coryphantha vivipara Grama grass cactus

Arizona beehive cactus Paper-spined cactus Showy pincushion Toumeya

8 Sandoval County Master Gardeners 3/16/2016

Epithelantha micromeris Echinocactus horizonthalonius Echinocactus texensis Button cactus Blue barrel cactus Devil’s-head cactus Horse crippler Turk’s-head cactus Devil’s head cactus Candy cactus

Ferocactus wislizeni Agave perryi Carnegiea gigantea Fishhook barrel cactus Perry’s century plant barrel cactus Saguaro

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CACTUS AND SUCCULENT SOCIETY OF

Meets third Friday (usually) of each month except END April, July, and September, at 7:00 pm, at the Albuquerque Garden Center, 10120 Lomas NE.

Spring Show and Sale --- April 9 – 10, 2016 10:00 am – 4:00 pm

Agave palmeri State Fair Cactus and Succulent exhibit --- September

Palmer’s century plant www.new-mexico.cactus-society.org Artichoke agave

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