Costus malortieanus

Common name: Step-ladder Costus

Family: Costaceae

Synonym(s):

Country of Origin: Central America

Description: To 3 feet; leaves to 14 inches long and 7 inches wide, obscurely striped with darker green above; flower spikes to 2.5 inches long, terminating the leafy stem, bracts lacking a thickened callus at the tip; flowers yellow, lip marked with red.

Uses:

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USDA Zone: 9-11?

Source: Mike Bordelon - SI Botany Gnhse

Provenance:

Rcvd as Costus malorteanus (missing an 'i')

No accession data provided when received, but suspect this may be Kress# 94-3714 or Kress# 94-5359 based on existing records in SI database.

Restrictions:

Culture:

Fertile, well-drained soil - kept evenly moist but not wet. Prefers shadier conditions than other Costus species.

Classification:

• Division: Magnoliophyta
• Class: Liliopsida
• SubClass: commelinids
• Order: Zingiberales
• SubOrder:
• Family: Costaceae
• SubFamily:
• Tribe:
• SubTribe:

References:

1. The Plant List (2013). Version 1.1. Last accessed on Wednesday, 02 January, 2019.
2. WCSP (2015). World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Last accessed on Wednesday, 02 January, 2019.
3. Costus malortieanus at IUCN Redlist. Last accessed Wednesday, 02 January, 2019.
4. Costus malortieanus at ARS-GRIN Taxonomy. Last accessed on Wednesday, 02 January, 2019.
5. BGCI Plant Search. Last accessed on Tuesday, 27 August, 2019.

Images:

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