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Accession Data

Costus malortieanus

Common Name: Step-ladder Costus

Family: Costaceae

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.

Accession Data

USDA Zone: 9-11?

Accession #: 199500165

Accession Date: 1995-10-23

Bloom Status: 🪴 Not Flowering

Location: 3204

Quantity: 4

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.

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

Family: Costaceae

Flowering Data:

This accession has been observed in bloom on:
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003

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

Costus malortieanus