Published December 8, 2022 | Version v1

Occultia ledebourioides Stedje & Rulkens 2022, comb. nov.

  • 1. Natural History Museum, University of Oslo, PO Box 1172, N- 0316 Oslo, Norway & brita. stedje @ nhm. uio. no; https: // orcid. org / 0000 - 0003 - 3892 - 6784
  • 2. Akerstraat 161, 6466 HG Kerkrade, The Netherlands & ton. rulkens @ gmail. com; https: // orcid. org / 0000 - 0003 - 0910 - 0000
  • 3. Walter Sisulu National Botanical Garden, PO Box 2194, Wilro Park, Roodepoort, South Africa & A. Hankey @ sanbi. org. za; https: // orcid. org / 0000 - 0002 - 2144 - 3092

Description

1. Occultia ledebourioides (Baker) Stedje & Rulkens comb. nov. ≡

Hyacinthus ledebourioides Baker in J. Linn. Soc., Bot. 11: 427 (1871), basionym.

Type: — MALAWI. Zomba and E end of Lake Chilwa (Shirwa), October 1861, Meller s.n. (K!, lectotype designated here). Figs. 1, 3A–C.

Bulbous herb 5‒8 cm high; bulb ovoid to subglobose with pale and papery outer scales, up to 3 cm high. Leaves 3–6 or more, often with a distinct pseudopetiole up to 3 cm long; lamina oblong to linear-oblong, green or sometimes with purple markings at base, glabrous, to 6 cm long, 3–10 mm wide. Peduncle erect to slightly curved, 3–6 cm long. Inflorescence usully 2‒4 cm long, relatively lax with up to 25 flowers; pedicels patent to erecto-patent, 2‒3 mm long in flower. Perianth cylindrical, white to pinkish, 3–4 mm long; tepals with slender dark keel united into a tube for 1/3 to half its length, free parts spreading. Stamens adnate to tepals and arising in 2 levels, at top of perianth tube, filaments very short. Ovary sessile, subglobose c. 1 mm long; style c. 1 mm long; stigma capitate. Capsule depressed globose, emarginate, c. 3 mm wide. Seeds mostly one per locule, globose, ca 1,5 mm in diameter.

Ecology:— On shallow soil on rocks / On rocky mountain soils, wet ground in Acacia or Combretum ‒Bauhinia woodland; between 100–900 m of elevation.

Conservation note:— Data Deficient, probably overlooked.

Distribution:— Southern Malawi and central Mozambique.

Examined specimens:— MALAWI. Central Region: Dedza Dist, Lifidizi Breeding Centre, 16 November1985, Patel & Kwatha 2885 (MAL!). Southern Region: Mangochi Dist, Nankumba Hills, 21 November 1954, Banda 59 (MAL!). Southern Region: Matope, A.J. Rix s.n. (K); Southern Region: Monkey Bay, two miles out on Mangochi Road, 17 December 1978, Blackmore 51 (MAL!). MOZAMBIQUE. Sofala Province: Caia Dist, Sena, November1859, Kirk s.n. (K!). Zambesiaca Province: Mocuba Distict, Monte Pozo, 16.478975 S 37.264767 E, 305 m of elevation, 26 December 2014, Rulkens 17A (O!, photo, O-V-2295940). Zambesiaca Province: Milange Dist, Monte Ithulo, 16.3257° S 35.9516° E, 538 m of elevation, 14 December 2015, Rulkens 103 (O!, photo, O-V-2295941). Zambesiaca Province: Mopeia Dist, Cua Cua Lodge, North of Zambezi River, 17.7951° S 35.4178° E, 44 m of elevation, 12 December 2015, Rulkens 106 (O!, photo, O-V-2295942).

Notes

Published as part of Stedje, Brita, Rulkens, Antonius J. H. & Hankey, Andrew J., 2022, Occultia (Scilloideae, Asparagaceae), a new genus from Malawi and Mozambique, pp. 166-172 in Phytotaxa 575 (2) on pages 168-170, DOI: 10.11646/phytotaxa.575.2.6, http://zenodo.org/record/7413245

Files

Files (3.0 kB)

Name Size Download all
md5:dc51d2f14ed89c0cdae713e05af20f33
3.0 kB Download

System files (21.3 kB)

Name Size Download all
md5:a01bf7154e1528593592ecf0ac4dbc7a
21.3 kB Download

Linked records

Additional details

Biodiversity

Collection code
E, K
Scientific name authorship
Stedje & Rulkens
Kingdom
Plantae
Phylum
Tracheophyta
Order
Asparagales
Family
Asparagaceae
Genus
Occultia
Species
ledebourioides
Taxon rank
species
Taxonomic status
comb. nov.
Type status
lectotype
Taxonomic concept label
Occultia ledebourioides (Baker, 1870) sec. Stedje, Rulkens & Hankey, 2022