Species
B. acaulis
Photos
5 photos
Identity
- Genus
- Begonia
- Name
- B. acaulis
- Author
- Merrill & L. M. Perry, J. Arnold Arbor.
- Publication Date
- 1943
- Place
- Laloki River
- Habitat
- BRITISH NEW GUINEA: Rona, Laloki River, Brass 3599 (TYPE), March 1933, alt. 450 m., common rock plant in light rain-forests (whole plant very fleshy; stem, peduncles, petioles and lower part of main leaf-nerves reddish; petals pink; fruit pinkish white).
- Country
- New Guinea
- Region
- Asia
- Section
- Diploclinium?
- Chr 2n
- 28
- Plant Type
- Tuberous
- Reference
- J. Arnold Arboretum 24: 43, pl. 1, l-q. 1943.; JGSL9/08; The Begonian, Aug 1973;
- Article References
- Tebbitt, Begonias 5:72-5. 2005;
- Photo References
- JBS, Begonias :67. 1980; Tebbitt, Begonias pl.15; The Begonian, Aug 1973; The Begonian, Oct 1969; Begonias, Misono 1974: 17 (1)
Plant
- Description
- Red marked umbo
- Plant Habit
- Perennial
- Plant Spread
- Small
- Plant Height
- Low 0.5m
- Stem Type
- Stemless
- Other Features
- Terrarium care;cool growing conditions
- Sun Tolerance
- Light shade
Lineage
Parents
No parentage recorded.
Descendants
No recorded descendants.
Culture
- Original Botanical Description or Link to
- Journal of the Arnold Arboretum. Cambridge, Mass. Harvard University MERRILL & PERRY, PLANTAE ARCHBOLDIANAE, XI v. 24 (1943): Page 41-59 http://www.biodiversitylibrary.org/item/33600 Planta acaulis, foliis scapisque floriferis instructa; foliis membranaceis oblique orbiculari-ovatis, apice obtusiusculis, basi inaequalibus oblique cordatis, margine crenato-sinuatis et duplicato-dentatis ciliatis, supra consperse crispule albido-pilosulis, subtus costa nervisque consperse pilosulis, nervis basalibus 4- 6 bi-tri-furcatis, lateralibus utrinsecus 3; petiolo 5- 10 cm. longo consperse piloso; stipulis ochraceis; scapo usque 20 cm. longo in sicco complanato sparsim piloso; inflorescentiis flores ♂ atque ♀ gerentibus; bracteis ovato-oblongis 4 mm. longis, margine cilia tis; floribus ♂ : pedicello 1.5 cm. longo; tepalis 4 extus sparsim pilosulis, exterioribus late ellipticis 1.1 cm. longis, interioribus 9 mm. longis obovatis emarginatis; staminibus 50 liberis, filamentis 1.5 mm. longis, antheris 1 mm. longis rotundato-cuneatis; floribus ♀ : pedicello 1.5-2 cm. longo; tepalis ut in floribus ♂ ; stylis 3 vix 3 mm. longis basi connatis, apice in crura 2 circiter 1.5 mm. longa spiraliter papillosa fissis; ovario suborbiculari 0.5 mm. diametro consperse piloso alato; capsula 1 cm. longa et 2 cm. lata, alis 3 valde inaequalibus quarum 2 minoribus, basi atque apice ultra loculos 2 mm. productis; alis minoribus aequalibus, obtuse subtriangularibus, margine superiore 5- 6 mm. longis, medio 3 mm. latis, una majore elongata, margine superiore 1.8 cm. longa, medio 1.2 cm. lata. This species undoubtedly belongs in the same group with Begonia Sharpeana F. v. Muell., but the latter is a much more pubescent species, the fruit of which is characterized by a large wing about twice as broad in proportion to its length as in our species.