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Macrozamia identification

Botanical_simmian
Botanical_simmian
in TROPICAL LOOKING PLANTS - Other Than Palms

Featured Replies

I recently purchased this thinking it was a communis but after seeing a picture of a slightly smaller moorei im not so sure. can anyone help?

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Mark (Botanical simmian) - Welcome to Palm Talk. I see this is your first post. greenthumb.gif

Looks like it could me moorei to me. Their are better cycad people here than me that will chime in on the ID.

Moose tongue.gif

Coral Gables, FL 8 miles North of Fairchild USDA Zone 10B

Doesn't look like M. moorei to me.

Mine has leaflets that are inserted at more of an angle, not flat like the picture. Also, mine does not have any fuzz at the growth point, while your photo looks like there is a light brown fluff.

Mark (Botanical simmian) - Welcome to Palm Talk. I see this is your first post. greenthumb.gif

Looks like it could me moorei to me. Their are better cycad people here than me that will chime in on the ID.

Moose tongue.gif

Long Island, NY

Zone 7A

silk palm trees grow well all year in my zone

:P

looks like communis to me.

Moorei has a keel to the leaf which I really can't see in the picture. My first thought was a stunted Johnsonii.

Len

Vista, CA (Zone 10a)

Shadowridge Area

"Show me your garden and I shall tell you what you are."

-- Alfred Austin

whatever it is, it's male.

I agree it is not communis or moorei, but johnsonii is very likely. Needs to be moved up a pot size soon, though.
  • Author

Thanks for the feedback :)

If it is johnsonii id imagine its quite rare here in NewZealand so cool!

ive added another photo showing a closer view of the stem also note there are a number of small brown spikes in between the the main leaves that maybe relevant?

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Welcome Plant Ape!

You'll know what it is when you plant it in your garden - if it grows a crown the size of a CIDP then its johnsonii!

Check out the PACSOA link M. johnsonii

Cheers,

Jonathan

South Arm, Tasmania, Australia - 42° South

Mild oceanic climate, with coastal exposure.

 

Summer: 12°C (53°F) average min, to 21°C (70°F) average daily max. Up to 40°C (104°F max) rarely.

 

Winter: 6°C (43°F) average min, to 13°C (55°F) average daily max. Down to 0°C (32°F) occasionally, some light frost.

Johnsonii,

Bruce

Now living the life in Childers, Queensland.

bruce has probably seen more macrozamias in habitat than most anyone else here on this board....i'd be inclined to go with his ID. :)

i know communis and johnsonii are very close relatives....could you explain the difference between the two please?

bruce has probably seen more macrozamias in habitat than most anyone else here on this board....i'd be inclined to go with his ID. :)

i know communis and johnsonii are very close relatives....could you explain the difference between the two please?

Sheer size is the main difference. But to key it out, johnsonnii has spines right to the base of the rachis and only a short (less than 10cm) length of spine free petiole. However communis has a spine free petiole 15-60cms long.

Until recently johnsonii was thought to be a NSW subspecies of moorei. When you see mature moorei in habitat, you could not mistake it for communis, its a much, much larger plant. Last year at Carnarvon Gorge we pitched our tents in the shade of a grove of M. moorei. The largest communis I have seen was about head height, although I know they get bigger. We saw some cultivated johnsonii around Grafton, and the crowns are the size of moorei, though they were not trunking yet.

Here is a link to a key to Macrozamia species in NSW....unfortunately it does not include those species from other states.

Cheers,

Jonathan

South Arm, Tasmania, Australia - 42° South

Mild oceanic climate, with coastal exposure.

 

Summer: 12°C (53°F) average min, to 21°C (70°F) average daily max. Up to 40°C (104°F max) rarely.

 

Winter: 6°C (43°F) average min, to 13°C (55°F) average daily max. Down to 0°C (32°F) occasionally, some light frost.

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