Hydnophytum papuanum

Common name:

Family: Rubiaceae

Synonym(s):

Country of Origin: New Guinea

Description:

Uses:

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USDA Zone: 10a-11

Source: Frank Omilian

Provenance:

A seedling of what is in the trade here in the US as Hydnophytum papuanum.

It does have some unique leaf features - smaller, thicker, rolled on the edges.  I am not sure it is really papuanum because papuanum should have no (few?) hairs in the floral tube and the 50 or so plants I have looked at of these moseleyanum types all have hairs in the floral tube.  I am not convinced the real H. papuanum is in cultivation here.1

Restrictions:

Culture:

Classification:

• Division: Magnoliophyta
• Class: Magnoliopsida
• SubClass: euasterid I
• Order: Gentianales
• SubOrder:
• Family: Rubiaceae
• SubFamily: Rubioideae
• Tribe: Psychotrieae
• SubTribe: Hydnophytinae

References:

1. Personal communication with Frank Omilian - April 2010
2. Plantlist. Last accessed Saturday, 14 March 2020.

Images:

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