Species
B. archboldiana
Photos
2 photos
Identity
- Genus
- Begonia
- Name
- B. archboldiana
- Author
- Merrill & L. M. Perry, J. Arnold Arbor.
- Publication Date
- 1943
- Date of Origin
- 1933
- Habitat
- Bella Vista, Brass 5470 (TYPE in NYBG), November 1933, alt. 1450 m., wet banks of stream in forest (growing in small clump; leaves variegated green and brown; petiole and peduncle red; flowers white; seen only in one local
- Country
- British New Guinea
- Region
- Asia
- Section
- unassigned to a section
- Plant Type
- Tuberous
- Reference
- Merrill & Perry, J. Arnold Arbor. 24:42, pl. 1f-k. 1943; JGSL9/08 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
Plant
No populated fields in this section.
Lineage
Parents
No parentage recorded.
Descendants
No recorded descendants.
Culture
- Original Botanical Description or Link to
- Planta acaulis, foliis scapisque floriferis instructa; foliis membranaceis variegatis orbiculari-ovatis, usque 12 cm. longis et 9.5 cm. latis, apice acutis vel breviter acuminatis, basi subinaequalibus leviter oblique cordatis, margine irregulariter subsinuatis vel interdum sinuato-sublobatis (lobis 5 parvis duplicato-serrato-dentatis setulosis), supra consperse setulosis (setulis 2-3 mm. longis interdum crispulis), subtus glabris vel costa nervisque prope basim setulosis; nervis basalibus circiter 6 bifurcatis, lateralibus utrinsecus 3; petiolo usque 18 cm. longo, glabro vel sparsissime hirtello; stipulis ochraceis lanceolatis 1 cm. longis apice longiuscule acuminatis; scapo 10-22 cm. longo glabro; inflorescentiis flores ♂ atque ♀ gerentibus; bracteis lanceolatis 6 mm. longis acuminatis; floribus ♂ : pedicello 1-2.5 cm. longo; tepalis 4 glabris, exterioribus ellipticis 1-1.5 cm. longis et 8 mm. Iatis, interioribus 1- 1.2 cm. longis et 6-8 mm. latis obovatis retusis; staminibus 50 fasciculatim in columnam 1-2 mm. connatis; filamentis 1 mm. Iongis subaequalibus, connectivo 1 mm. longo apice evidenter inflato, thecis longitudinaliter dehiscentibus inter filamentum et connectivum inflatum positis; floribus ♀ : pedicello ± 1 cm. longo; tepalis 4 ut in floribus ♂ ; stylis 3 circiter 3 mm. in toto longis, basi in columnam 1 mm. connatis subinde in crura 2 mm. longa spiraliter papillosa partitis; ovario 4.5- 6 mm. longo et 4-5 mm. lato, alis 3 circiter 0.5 mm. latis; capsula immatura 7 mm. Ionga et lata subrotundata, alis inconspicuis. This species and Begonia physandra differ from the others we have examined in that the stamens are at the apex of a short column and the connective of the anthers is inflated at the apex; also, the styles seem to be united almost to the point where the apex is divided into two parts. In the other species examined, although the three styles may be shortly connate at the base, they soon separate so that they appear free a short distance before the appearance of the stigmatic surface, which in most cases forms a band around the apical branches, these being spirally twisted.