Compilation
Psilotum triquetrum

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Name

Identification
Lycopodium indet. Not on sheet [family LYCOPODIACEAE ] (stored under name); Verified by Not on sheet, Psilotum triquetrum Sw. [family PSILOTACEAE ] Verified by Kippist, R.,
Related name
  • Psilotum nudum
  • Bernhardia dendroidea
  • Psilotum neocaledonicum
  • Bernhardia comprena
  • Lycopodium indet.
  • Buchozia aphylla
  • Psilotum triquetrum

Flora

Entry for PSILOTUM nudum (L.) P. Beauv. [family PSILOTACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 1, (1999) Author: B. VERDCOURT, B.Sc., Ph.D.
Names
PSILOTUM nudum (L.) P. Beauv. [family PSILOTACEAE], Prodr. Aethéogam.: 106 & 112 (1805); Griseb. in Abh. Ges. Wiss. Gottingen 7: 278 (1857); V.E. 2: 76, fig. 75 (1908); Alston, Ferns W.T.A.: 17 (1959); Tardieu, Fl. Gabon 8, Ptérid.: 28, t. 5/1–3 (1964); Lawalrée, F.C.B., Psilot.: 2, t. 1 (1969); Schelpe, F.Z., Pterid.: 15, t. 2 (1970) & C.F.A., Ptérid.: 17, t. 2 (1977); Schelpe & Diniz, Fl. Moçamb., Pterid.: 9, t. 2 (1979); Kornaś, Distr. Ecol. Pterid. Zambia: 26, map 8A (1979); W. Jacobsen, Ferns S. Afr.: 130, fig. 73, map 1 (1983); Schelpe & N.C. Anthony, F.S.A., Pterid.: 1, map 1 (1986); J.E. Burrows, S. Afr. Ferns: 10, t. 1/1, fig. 1/1, map (1990). Automatically lectotypified by Schelpe & Anthony (1986): possibly India, Linnaean Herb. specimen 1257/1 (LINN, lecto., K!, microfiche)
Lycopodium nudum L. [family LYCOPODIACEAE], Sp. Pl.: 1100 (1753)
Psilotum triquetrum Sw. [family PSILOTACEAE], in J. Bot. (Schrader) 1800(2): 109(1800); Sw., Syn. Fil.: 187 (1806); Hieron. in P.O.A. C.: 91 (1895); De Wild., Ann. Mus. Congo, Bot., sér. 5, 1: 93 (1904) & sér. 5, 2: 107 (1907) & Pl. Bequaert. 2: 191 (1923); F.D.-.O.A.: 90 (1929). Type: as for P. nudum, nom. illegit.
Information
Terrestrial or epiphytic herb, erect when terrestrial, 10–30(–60) cm high, otherwise perhaps pendulous; rhizome 1.5 mm diameter; aerial stems 3-angular, 1–2 mm wide, glabrous, dichotomously branched. Scale-leaves widely spaced, lanceolate, 1.5 mm long. Sporangia yellowish or brownish, 2–2.5 mm diameter, 3-locular, the subtending bifurcate bract 1.3 mm long. Fig. 1.
Range
DISTR. U 2; K 7; T 3, 6; P; widespread in Tropical Africa,widespread throughout tropics of Old and New World
Altitude range
0–1500 m
Distribution
UGANDA Ankole District Lutoto, Oct. 1940, Eggeling 4114!KENYA Kwale District Gazi, Gongoni [Gogoni] Forest, Dec. 1936, Dale in F.D. 3584!;TANZANIA Lushoto District E Usambaras, Sigi, 3 Mar. 1932, Greenway 2930!;KENYA Teita District Teita Hills, Mwatate R. Valley, 5.8 km Mwatate–Wundanyi, 29 Aug. 1970, Faden et al. 70/445! & Mbololo Hill, bed of Mbololo R., 14 Feb. 1953, Bally 8573!TANZANIA Morogoro District Bunduki, Mar. 1953, Eggeling 6489! & N of Kinole, Kisimbi Falls, 23 Dec. 1971, Pócs & Bjørnstad 6496a!;TANZANIA Pemba , Ngezi Forest, Dec. 1983, Rodgers et al. 2784!
Distribution (external)
Cape Verde Is,
N Nigeria
Bioko
São Tomé
Annobon
Gabon
Congo (Kinshasa)
Cabinda
Angola
Zambia
Mozambique
Zimbabwe
South Africa
Madagascar
Ascencion I
Seychelles
Mascarenes
S Spain
Saudi Arabia
China
Japan
Australia
New Zealand
Notes
Lawalrée points out that specimens from the Congo coast and Forestier Central region are different from those occurring on the Rumoka lavas and that there are diploid and tetraploid races hinting at infraspecific taxa at some rank. Schelpe (1970) provides full synonymy.

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